The force that pulls an orbiting body toward the center of that orbit is called: centripetal. The resultant force is the difference between centripetal and gravitational forces.
A centripetal force is a force that causes a body to move in a circular motion (derived from the Latin words centrum, "center," and petere, "to pursue"). It is always orthogonal to the path's instantaneous center of curvature and orthogonal to the velocity of the body.
Isaac Newton characterized it as "a force by which bodies are drawn or propelled, or in any manner gravitate, towards a point as to a centre".
Gravity is the centripetal force that creates astronomical orbits in Newtonian mechanics. When a body moves at a constant speed along a circular path, this is an example of centripetal force.
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William wants to create a cell model using ingredients in his kitchen. He uses plastic wrap to represent a vacuole and carrot sticks to represent the golgi body. Which ingredient will allow him to best represent the structure of the rough endoplasmic reticulum?.
Option 1 is Correct. William wants to use ingredients from his kitchen to make a cell model. To better depict the structure of the rough endoplasmic reticulum, he uses plastic wrap to mimic a vacuole, carrot sticks to represent the Golgi body, and a piece of broccoli.
We must came up with two answers for Broccoli Pieces. The most popular answers are chosen based on user reviews, popularity, and search volume. FLORETS is the most likely solution to the puzzle.
Large and active, the endoplasmic reticulum (ER) plays a variety of functions in the cell, including calcium storage, protein synthesis, and lipid metabolism. Different domains, which are composed of tubules, sheets, and the nuclear envelope, carry out the various ER activities.
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Correct Question:
William wants to create a cell model using ingredients in his kitchen. He uses plastic wrap to represent a vacuole and carrot sticks to represent the Golgi body. Which ingredient will allow him to best represent the structure of the rough endoplasmic reticulum? 1. A piece of broccoli 2. A Sliced potato 3. A spinach leaf 4. Watermelon.
The _______ is an important cranial landmark, as it houses the pituitary gland.
a. crista galli
b. hyoid bone
c. foramen ovale
d. sella turcica
The sella turcica is a vital cranial landmark, as it houses the pituitary gland Thus, option D: sella turcica is the correct answer.
Within the human skull, there is a tiny, bony nook at the base of the brain that holds and protects the pituitary gland which is known as sella turcica. The pitualirty gland controls how hormones work in the human body, thus their protection is necessary. So the sella turcica serves as a cephalometric landmark that houses the pituitary gland to provide it protection.
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Write a chemical equation to show the process of photosynthesis in plants
Commonly used notation for photosynthesis is: 6CO2 + 6H2O C6H12O6 + 6O2. This indicates that the reactants, 6 carbon dioxide molecules & six water molecules, are transformed into a sugar moiety and six oxygens, the products, by light energy being absorbed by photosynthesis (implied by the arrow).
The following balanced chemical equation represents the process of photosynthesis: Light ChlorophyllC6H12O6+6H2O+6O2: 6CO2+12H2O. In the physico-chemical process known as "photosynthesis," green plants employ light energy to propel the synthesis of organic molecules. In the end, sunlight is the sole source of energy for all life on Earth. The foundation of life on this planet is the photosynthesis process, which plants use to harness solar energy. Water is oxidised, which means it loses ions, while dioxide is reduced, which means it receives electrons, inside the plant cell. Water is converted into oxygen and carbon dioxide into sugar in this process. Green plants use a process called photosynthesis.
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Linda takes her pet german shepherd to a dog park and sees many different breeds of dogs. What is the term for any difference between individuals of the same species?.
Variation is the term for any difference between individuals of the same species. Correct option (d).
Variation is a phrase used to describe the phenotypic variations seen in members of the same species, such as those found in the many dog breeds. Variation comes in two flavors: hereditary variation and environmental variation.
Environmental variation arises from exposure to various situations in people's surroundings, whereas the first one is caused by the varied genes that are handed down from parents to their kids.
What is a species ?A species is the largest gene pool attainable in the wild in this sense. For instance, although if these spiders with cheerful faces have distinct appearances, they belong to the same species, Theridion grallator, since they may interbreed.
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Full Question: Linda takes her pet German shepherd to a dog park and sees many different breeds of dogs. What is the term for any difference between individuals of the same species?
A. evolution
B. adaptation
C. population
D. variation
as a red blood cell matures, it loses all of its dna. as a result, it __________.
Answer:
Can not be involved in the production of new RNA
Explanation:
Red blood cells lack a nucleus. No nucleus, no DNA; means it can not divide or repair itself, and therefore also can not produce any RNA. They also are unable to synthesize proteins.
What are the benefits of crossing over in terms of genetic variability?
Crossing Over causes the gametes (egg or sperm) to form new combinations of alleles, ensuring genomic variety in any baby born.
Crossing over and recombination have the following benefits:
Genetic recombination is the exchange of genetic material between organisms that leads in the generation of offspring with characteristics different from either parent's.
Crossing over describes how non-sister chromatids in meiosis exchange chromosomal segments or genetic material.
Sexual creatures benefit from recombination in the following ways:
Sexually reproducing creatures that cross over have an endless supply of gene diversity.
In the course of evolution, it is crucial.
Genetic diversity in the gene pool is helped by the recombination process.
Creating new gene combinations and building genetic maps are the results.
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A(n) ________ is a bulge, or weakened wall, of an artery. 165) A) aneurysm
B) vascular edema C) arteriosclerosis D) atherosclerosis E) stroke
A(n) aneurysm is a bulge, or weakened wall, of an artery. Correct option (a).
An aneurysm is a condition of the artery in which an abnormal widening or ballooning of the walls in the blood vessels take place and create a certain type of problematic condition.
Vessel Walls increase 50% more to its normal width. Most aneurysm do not show any symptoms and thus remain undetected for years.
Although aneurysm can occur in any blood vessel but this is more evident in arteries as compared to the veins.
This condition can cause the splitting in thewalla of the artery and also forms blood clots which create a blockage in the circulatory system.
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The tendrils of a plant wrapping around a garden stake is an example of ___.
The tendrils of a plant wrapping around a garden stake is an example of thigmotropism.
Thigmotropism, here the plant grows when it is in touch or contact of the object.
Tendril is a specialized leaf, stem or petiole which binds around the stem in spiral or irregular circles.
This coiling help plant to get maximum sunlight and provide them support.
Tendrils shows thigmotropism, when they come in contact with an object and sends the signal which turn the tendril to coil around the object.
There are 2 types of thigmotropism, positive is shown by tendrils and negative is shown by the roots of plants.
Family Cucurbitaceae shows tendril, shows coiling of plant.
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Describe the following cell-surface modifications using the table below. Cell-surface modification Type(s) of epithelia with the modification Function (include a specific organ) Cilia Goblet cells Microvili
Columnar pseudostratified epithelia make up Cilia. Pathogens and trapped substances can be passed up the trachea to aid.
Why do pathogens develop?Pathogens can spread through minute droplets in the air by coughing or sneezing. Other people may breathe in the microorganisms that are present in these droplets. When a person consumes contaminated food or water, microorganisms can also enter the body directly through the gut.
Are viruses pathogens?A biological organism that causes sickness is called a pathogen. There are several kinds of infections besides just viruses and bacteria. Every single animal has the potential to acquire a pathogen, including bacteria themself.
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Explain how the invention of microscopes helped in the development of cell theory.
If part of the dna gene being transcribed is tgcaat, what will the mrna code be for that part?
Option c is Correct. If the DNA gene being translated has the sequence TGCAAT, the corresponding mRNA code is ACGUUA.
What function does mRNA serve?
The mRNA for the gene that is subjected to transcription is always made from the 5' to the 3' end, and uracil is substituted for thymine in the gene.
Genes are found in the DNA, and RNA polymerase aids in the formation of mRNA. Prokaryotes only have one form of RNA, but eukaryotes have multiple different types of RNA polymerase that transcribe mRNA, rRNA, etc. Prokaryotic cells' cytoplasm and eukaryotic cells' nuclei are where mRNA is created.
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Correct Question:
If part of the DNA gene being transcribed is TGCAAT, what will the mRNA code be for that part?
A.UGAAU
B.TGCAAT
C.ACGUUA
D.UCGTTU
All of the following are true statements EXCEPT:O Infectious diseases represent a battle between the host's nonspecific and specific immune defenses and the microbe's ability to penetrate and avoid those defensesO Infectious diseases of humans can be caused by microbes originating from outside the body; i.e., transmitted from other people, animals, or environmental sources, or from microbes living inside or upon the human body O Some diseases are caused by exotoxins that are produced by bacteria in localized infections and travel through the blood to cause systemic (generalized) effects O Systemic microbial diseases always involve invasion and destruction of tissues at the site of an infection, followed by microbial spread into surrounding tissues and/or distant body sites O The etiologic agents of human microbial diseases include members of various different groups of microbes, for example bacteria, fungi, protozoa, and viruses
The correct answer is D) Systemic microbial diseases always involve invasion and destruction of tissues at the site of an infection, followed by microbial spread into surrounding tissues and/or distant body sites.
This is not always true; some systemic microbial diseases can involve the spread of microbes through the body without the destruction of tissues at the site of the infection.
Systemic microbial diseases are infections caused by microbes that can spread throughout the body and cause a wide range of symptoms. These infections can be caused by bacteria, viruses, fungi, and other parasites.
Systemic microbial diseases can be either acute or chronic. Acute systemic microbial diseases involve a rapid onset of symptoms, while chronic systemic microbial diseases can last for a longer period of time, often with relapses.
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Transports nutrients, wastes, and gases throughout the body:
A. Lymphatic system B. Urinary system C. Respiratory system D. Muscular.
Cells all over the body receive oxygen from the lungs & nourishment from the digestive system.
The kidneys function as essential regulators by secreting hormones, filtering metabolic waste from the blood, regulating fluid balance, and maintaining homeostasis. The major job of the circulation system is to transport oxygen, nutrients, and hormones throughout the body to the muscles, tissues, and organs. Cells all over the body receive oxygen from the lungs & nourishment from the digestive system. The removal of waste from cells or tissues so that your body can get rid of it is another function of the circulatory system. Through your blood, nutrients are distributed throughout your body. The lungs get the air through airways. Fresh oxygen is injected into the blood in the lungs for distribution throughout the body.
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What is considered hard water?
The word "hard water" refers to water with a very high mineral concentration; it is the reverse of "soft water."
Hard water is created when water percolates into calcareous, gypsum, or chalk deposits that are largely made of bicarbonates, sulphates, and magnesium or calcium carbonates.Hard water is water that contains a lot of minerals (in contrast with "soft water"). When water percolates through limestone, chalk, or gypsum deposits, which are mostly composed of calcium and magnesium carbonates, bicarbonates, and sulphates, hard water is created.Drinking hard water may offer some health advantages. In industrial settings, where water hardness is monitored to prevent expensive breakdowns in boilers, cooling towers, and other water-handling equipment, it can present serious issues.To know more about hard water
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The word "hard water" refers to water with a very high mineral concentration; it is the reverse of "soft water". It consists of ions of magnesium and calcium.
Hard water has many harmful effects whether it is on our livelihood or on our health. The word "hard water" refers to water with a very high mineral concentration; it is the reverse of "soft water". It consists of ions of magnesium and calcium. Drinking hard water may offer some health advantages. In industrial settings, where water hardness is monitored to prevent expensive breakdowns in boilers, cooling towers, and other water-handling equipment, it can present serious issues. Eczema is an example of how hard water can cause skin irritation, which is one of the most noticeable impacts. Hard water is very harmful for us. It is not formed by normal things. It consists of ions of magnesium and calcium and their bicarbonates, sulphates and carbonates of them which is not present in soft water.
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What does Mendelian genetics study ?
Mendelian genetics is a branch of genetics that studies how traits are inherited in organisms.
Mendelian genetics is named after Gregor Mendel, an Austrian monk who is considered the "father of modern genetics" because of his pioneering work in the field. Mendelian genetics focuses on the inheritance of traits that are determined by a single gene, and how these traits are passed from one generation to the next. It also investigates how different combinations of genes can lead to different traits, and how traits can be influenced by the environment.
One of the key concepts in Mendelian genetics is the gene, which is a unit of hereditary information that is passed from parent to offspring. Genes are made up of DNA, and they are located on chromosomes. Each organism has a unique set of genes, which determines its inherited traits, such as eye color, hair color, and height.
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Mass movements in the colon are stimulated by the presence of __________ in the __________.
food; stomach
chyme; duodenum
feces; rectum
All of the choices are correct.
Only the first and second choices are correct.
Mass movements in the colon are stimulated by the presence of food/chyme in the stomach/ duodenum. Hence only the first and second choices are correct.
The large intestine is divided into the colon and rectum, and it exhibits three different types of movements: regular irregular contractions, rhythmic ascending (antiperistaltic) waves of contraction originating at the end of the large bowel, and rhythmic longitudinal contractions in the colon and rectum. The first two patterns are in situ in the big bowel, making them seem more developed.
The final one was exclusive to older preparations and so seemed abnormal. The colon is often dormant when there is a gap between meals. The so-called gastrocolic and duodenocolic reflexes, a manifestation of enteric nervous system regulation, cause intestinal motility to considerably increase after eating as a result of signals transmitted by the enteric nervous system.
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Why are slow twitch muscles fatigue resistant?
Slow twitch muscles are fatigue resistant because they have high amounts of myoglobin and mitochondria.
Skeletal muscles are muscles attached to the human skeleton. This muscle functions to move the limbs through contraction.
Slow twitch muscle is a type of red skeletal muscle because it contains high myoglobin with good vascular supply. The presence of myoglobin in the muscles causes a good supply of oxygen content, which causes these muscles to be fatigue resistant. Slow twitch muscles also have a high number of mitochondria as a source of energy through the efficient breakdown of glucose, so that it can supply energy continuously for long periods of time through aerobic respiration in continuous motion. This results in slow twitch muscles that are resistant to fatigue.
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Signal molecules that degrade most rapidly, resulting in very brief effects, are __________.
A) gases such as nitric oxide
B) paracrines
C) ions
D) hormones
Signal molecules that degrade most rapidly, resulting in very brief effects, are gases such as nitric oxide.
The correct option is A.
What are Autocrines and Paracrines?In contrast to paracrine signaling, which occurs when the target cell is close to the signal-releasing cell, autocrine signaling occurs when a cell secretes a hormonal or chemical that binds to receptors in the same cell and causes changes in that cell's functionality.
Estrogen: a paracrine hormone?In mice, rat, and humans, it has been noted that growing cells in the mature mammary epithelium seldom exhibit steroid receptors (34–36), which suggests that estrogens & progesterone typically act through paracrine mechanisms in the breast.
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How does muscular endurance impact performance?
Muscular endurance impact performance by enabling the aerobic metabolism that increases athletic activity in endurance-based sports
You will be able to carry out physical activities for a greater period of time by developing muscular endurance. While strength enables you to carry a force, endurance enables you to do so repeatedly over an extended period of time. It also provides ATP for anerobic metabolism.
The body improves its capacity to make ATP through oxidative glycolysis with endurance training. As a result, the aerobic energy systems and cardiorespiratory system become more effective in supplying working muscles with oxygen and converting fat and carbohydrate into energy.
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What happens if Rh positive receive Rh negative blood?
Answer:
If an Rh-negative woman makes antibodies like this, it can seriously harm any Rh-positive babies she may have in the future. Her anti-Rh antibodies can attack Rh-positive blood cells in the fetus.
Mark brainiest
You feel a mosquito land on your arm. This stimulus is carried to the central nervous system (CNS) by the: O somatic sensory division. O visceral sensory division )O visceral motor division O somatic motor division
You feel a mosquito land on your arm. This stimulus is carried to the central nervous system (CNS) by the somatic sensory division.
'What is somatic sensory division?'
The somatic nervous system is a part of the peripheral nervous system that is involved in the voluntary control of skeletal muscle movement. It is in charge of all the bodily processes that we are cognizant of and have control over, including how our arms, legs, and other body parts move. The 43 distinct nerve segments that make up the peripheral nervous system—12 pairs of cranial and 31 pairs of spinal nerves—contribute significantly to our ability to carry out daily tasks. Both efferent (motor) and afferent (sensory) nerves make up the somatic nervous system.
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Anabolic pathways have which of the following characteristics? Select all that apply. O They are usually spontaneous chemical reactions O They decrease the entropy of the organism and its environment. O They consume energy to build up polymers from monomers. O They release energy by degrading polymers to monomers
Anabolic pathways have which of the following characteristics:
They decrease the entropy of the organism and its environment.They consume energy to build up polymers from monomers.Anabolism is the process of synthesizing small chemical molecules into larger molecules while catabolism is the process of breaking down large molecules into smaller molecules.
Anabolic reactions reduce the entropy of the environment and organisms, whereas catabolic reactions increase the entropy of the environment and organisms.
Anabolic reactions help make polymers so energy is needed. Catabolic reactions are the opposite of anabolic reactions, i.e. produce monomers from polymers, which produce energy.
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Describe TWO features of natural selection that lead to the spread of antibiotic resistance in a population over many generations. Give ONE reason that the development of antibiotic resistance is an example of evolution.
Mutations are inheritable changes that can beget a population to come resistant to certain antibiotics.
This is because mutations can alter a gene that codes for an antibiotic target, making the target inapproachable to the antibiotic. 2. Selection Pressure Selection pressure is the discriminational survival of individualities in a population due to their capability to repel antibiotics. This means that individualities with advanced situations of antibiotic resistance have a advanced chance of survival, performing in the spread of antibiotic resistance throughout the population. Reason The development of antibiotic resistance is an illustration of elaboration because it involves the selection of individualities with certain traits( antibiotic resistance) over time, performing in the spread of these traits throughout the population.
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A population may become antibiotic-resistant through mutations, which are heritable alterations.
This is due to the possibility of mutations changing a gene that codes for an antibiotic target, rendering it resistant to the antibiotic. 2. Selection Influence The discriminatory survival of individuals in a community due to their resistance to antibiotics is known as selection pressure.
This has the effect of spreading antibiotic resistance across the population since individuals with advanced levels of antibiotic resistance have a higher probability of surviving. Reason Because it entails the selection of individuals with certain features (antibiotic resistance) over time, resulting in the spread of these traits across the population, the evolution of antibiotic resistance is an example of elaboration.
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Suppose the following amino acid chain was created based on a student's transcription and translation:tyr-leu-pro-metin the chain, which data show a possible source of error? explain the error.
Here the error is that The student's transcription and translation produced an incorrect amino acid chain with Met (methionine) in the wrong position.
Because it is the amino acid that is coded for by the translation starts codon, AUG, methionine always appears at the beginning of every chain of amino acids that are obtained through translation.
The process by which the information in a gene's coding DNA is copied to create an RNA molecule called mRNA, which is used in the synthesis of the gene product, such as a protein, is known as transcription. The process by which the ribosomes use the information in the mRNA to make proteins is known as translation.
The ribosome reads the information in mRNA as a triplet of nucleotides called codons. An amino acid is encoded by each codon. Methionine is encoded by the AUG codon, which is the start or initiation codon. As a result, methionine is the first amino acid formed through translation.
Methionine (Met), on the other hand, can be found at the very end of the student-created amino acid chain. As a result, the student might have translated backward to get the amino acid chain he did.
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To help me become a detective would it matter if I do double or triple science?
Answer:
double
Explanation:
the only special sense that is not fully functional at birth is the sense of ________. A. smell B. taste C. vision D. hearing E. equilibrium
The only special sense which is not fully functional at birth is the sense of the vision. Thus, the correct option is C.
The special senses are the senses which have specialized organs devoted to them such as vision has the eye, hearing and balance has the ear, which includes both the auditory system and vestibular system, smell - the nose, taste - the tongue.
The distinction between special and general senses is generally used to classify nerve fibers which are running to and from the central nervous system and the information from special senses is carried in special somatic afferents and special visceral afferent nerves.
All the senses have been developed at the time or birth and are fully functional. Except the sense of sight which is the least-developed sense at the time of birth.
Therefore, the correct option is C.
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Select the most correct statement regarding nucleic acids.
Group of answer choices
O tRNA is not considered a molecular tool during protein synthesis.
O DNA is a long, double-stranded molecule made up of A, T, G, and C bases.
O Three forms exist: DNA, RNA, and tDNA.
O RNA is a long, single-stranded molecule made up of the bases A, T, G, and C.
The most correct statement regarding nucleic acids DNA is a long, double-stranded molecule made up of A, T, G, and C bases; this is the second option as DNA and RNA are two nucleic acids.
What is the significance of the DNA and RNA?DNA is the nucleic acid found in almost all eukaryotes, while RNA also serves as genetic material, and both aid in the expression of genetic contents. There are different forms of DNA and RNA, such as the single-stranded and double-stranded forms.
Hence, the most correct statement regarding nucleic acids DNA is a long, double-stranded molecule made up of A, T, G, and C bases; this is the second option as DNA and RNA are two nucleic acids.
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a peptidoglycan-like polymer found in the cell walls of some archaea is called __________.
Some archaea contain a sense with a comparative artificial setup to peptidoglycan, known as pseudomurein. Shortly after N-acetylmuramic tart, it has N-acetylalosaminuronic acidic related to N-acetyl glucosamine.
Murein and pseudomurein are the significant cell wall material of microscopic organisms and some methanogenic archaea, individually. Murein additionally called peptidoglycan, is made out of N-acetylmuramic corrosive and N-acetyl-d-glucosamine (Bother) connected by β(1→4) glycosidic bonds.
Peptidoglycan comprises the major underlying part of the periplasm, and it comprises a polysaccharide covalently cross-connected by short peptides. The periplasmic space of Gram-negative microscopic organisms may likewise contain β-glucans.
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What are all the condyloid joints in the body?
Condyloid joints are the most common type of synovial joint in the body and provide flexibility in a single plane of movement. They can be found in the wrist, mandible (jaw), elbow, and ankle joints where they allow for flexion-extension, abduction-adduction, and circumduction movements.
Additional condyloid joints include those found between the articular processes on several cervical vertebrae as well as between occipital condyles and temporal bones of the base of the skull.
These types of joints are also located between the radius and ulna bones in the forearm along with various articulations involving carpal bones such as metacarpals in hand or tarsals or metatarsals in foot.
Condyloid joints possess two convex surfaces which act like a ginglymus joint–that is to say, both surfaces move against one another–and this allows them to facilitate maximum mobility within their respective sagittal planes.
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For which of these questionls could a testable hypothesis be developed? Check all that apply.
Do children's heart rates increase at the same speed when walking uphill?
O Is
experimenting with moldy bread more fun than experimenting with yogurt cultures?
D Does temperature affect how long blood can be stored?
How does moisture affect the growth of moss on a tree?
Which of Leeuwenhoek's microscopes was
the coolest?
Done
Intro
A testable hypothesis could be developed for A. Do children's heart rates increase at the same speed when walking uphill, C. Does temperature affect how long blood can be stored?, and D. How does moisture affect the growth of moss on a tree.
What is a testable hypothesis?A testable hypothesis is a given explanation about a scientific question that may be tested by experimental and or observational procedures.
Therefore, with this data, we can see that a testable hypothesis is an explanation about an issue of the real world used to confirm or reject its assumptions.
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