In a photosystem, clusters of chlorophyll a, chlorophyll b, and carotenoid pigments function most like?.
In a photosystem, clusters of chlorophyll a, chlorophyll b, and carotenoid pigments function most like an antenna. There are two photosystems in plants. Thus, the correct option is B.
What is a Photosystem?
A photosystem is a protein complex which is a group of two or more proteins, these include chlorophyll a, chlorophyll b, carotenoid, and other accessory pigments which are essential for the photochemistry of photosynthesis. It carries out the absorption of light photons and the transfer of these electrons in light reaction and dark reactions of photosynthesis. There are two photosystems in plants which are Photosystem I and Photosystem II which makes made up of antenna.
Therefore, the correct option is B.
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Your question is incomplete, most probably the complete question is:
In a photosystem, clusters of chlorophyll a, chlorophyll b, and carotenoid pigments function most like
A) an electrical generator.
B) an antenna.
C) a propeller on a motorboat.
D) a windmill.
E) a spring.
how does photosynthesis impact plants and animals
Answer:
Photosynthesis creates all of the energy that fuels living organisms. Animals that eat plants acquire their energy from the stored sugar in plants, and animals that eat those animals obtain that same energy. Thus, all levels of a food web are still fueled by the energy developed by photosynthetic organisms.
Explanation:
hope this helps you!
Which of these best explains the impact of convection on the atmosphere?
Dense air moves away from Earth's surface. Water heats up the air surrounding it. Land heats up the air surrounding it. Warm air rises upwards
From the options given, the best statement to explain the impact of convection on the atmosphere is: D. Warm air rises upwards. Convection in the atmosphere directly impacts cloud formation.
What is convection?Convection is the process that includes movement within a liquid or gas driven by differences in temperature and density. Convection on our atmosphere is very crucial in water cycles. Through the convention, energy from the hotter areas will be redistributed to the cooler areas. It affects wind direction and helps aid temperature circulation on Earth.
Convection also affects the weather. As the sun heats Earth’s surface, the air heats up and rises. Once this air cools down in the atmosphere, Cumulus clouds will form and produces rain eventually.
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if you know the npp for an ecosystem, what additional variable do you need to know to estimate the nep? why might measuring this variable be difficult, for instance, in a sample of ocean water?
From estimates of NEP, you need to measure the respiration of all organisms in an ecosystem, not just the respiration of primary producers.
In a sample of ocean water, primary producers and other organisms are usually mixed together, making their respective respiration's hard to separate.
What is npp of an ecosystem?
The rate of energy lost to metabolism and maintenance is subtracted from gross primary productivity to arrive at net primary productivity, or NPP. In other words, it's the rate at which energy is released to consumers in the ecosystem from primary producers such as plants and animals and stored as biomass.
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What 2 events in nature can hinder the process of carbohydrate production? Explain your answer. Use the sentence frame: “___ can hinder carbohydrate production because ____.”
Stormy weather and very low temperature events in nature can hinder the process of carbohydrate production because some plants may grow more quickly under conditions of moderate heat and increased atmospheric carbon dioxide.
The carbohydrate production is caused by the photosynthesis.
Photosynthesis- The process through which some species of living things and plants transform sunlight into energy. Green plants collect and use light energy during photosynthesis to convert water, carbon dioxide, and minerals into organic molecules rich in oxygen and energy (glucose).
This mechanism primarily provides energy to the planet's life systems. By the norms of human engineering, it is not particularly effective, but it gets the job done.
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identify the prey and predators of the spiders. grasshopper, spider, praying mantis, toad, garter snake, hognose snake, hawk.
Answer: prey of spider = grasshopper, sometimes spider, praying mantis,
predators of spider = toad, garter snake, hognose snake, hawk
Explanation:
Why is it more dangerous to consume too much of a fat-soluble vitamin than to consume too much of a water-soluble vitamin?.
Vitamins that dissolve in water are known as water-soluble vitamins. They must be consumed daily because they can only be stored in little amounts. On the other hand, lipid-soluble vitamins are those that are soluble in fats.
What are vitamins that are water-soluble and fat-soluble?
Bile and the pancreatic sulcus must be present in addition to lipids for fat-soluble compounds to be absorbed. They are A, D, E, and K vitamins. All of the B complex vitamins including vitamin C are classified as water-soluble vitamins.
We can infer from this information that vitamins that are soluble in water are those that are called water-soluble vitamins. They must be consumed everyday because they cannot be kept in large quantities. On the other hand, lipid-soluble vitamins are those that are soluble in fats.
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Water-soluble vitamins are quickly absorbed by the body, so you won't need to store a lot of them to help maintain your body's nutritional needs balanced naturally. In contrast, fat-soluble vitamins are considerably different. The body has access to these vitamins because they are stored in tissue and dissolve in fat. Although fat-soluble vitamins can also be toxic, water-soluble vitamins are more likely to do so since they are promptly excreted from the body and have a larger potential for toxicity. Fat-soluble vitamins can also be retained in tissues. Consult your doctor first before taking any vitamins or minerals. Some vitamins and minerals may be affected by certain medical disorders and sensitivities. Consult your doctor first before taking any vitamins or minerals. Some vitamins and minerals may be affected by certain medical disorders and sensitivities.
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Looking at the pedigree chart, individual #8 must be heterozygous for the trait in question.
Human pedigreeThe trait shown by the pedigree is a recessive trait. Thus, individuals that phenotypically exhibit the trait will have two recessive alleles.
This means that individuals #1 and #10 in the pedigree are homzygous recessive for the trait.
Let us assume that the recessive trait is a while the alternate version is A. If it has been established that individual #1 is homzygous recessive, the genotype will be aa.
we are not sure if individual #2 is homzygous dominant or heterozygous.
If #2 is heterozygous, the cross between #1 and #2 will be:
aa x Aa
Aa aa Aa aa
If #2 is homzygous dominant, the cross would be:
aa x AA
Aa Aa Aa Aa
Whatever the genotype of #2, the offspring are either heterozygous or exhibit the trait. Since none of the offspring is shaded in the pedigree, it means they can only be heterozygous.
In other words, individual #8 can only be heterozygous for the trait in the pedigree.
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write a paragraph connecting the required terms from the curriculum & highlighting each
Chromosome structures are within cells and people that contained the genes of a cell, such as histones responsible for interacting with the double-stranded mode of organization, in the three levels of condensation, so favorable to the cell, as well as having part together to modulation of gene expression.
What is DNA and its function?DNA is the structure responsible for transmitting all genetic characteristics such as eye, skin and hair color, physiognomy, among others in the process of reproduction of living beings. In this way, the main function of DNA is to carry information contained in its sequences, called genes.
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. what is the stage of cell division in a diploid organism if you see seven chromosomes, each consisting of a pair of sister chromatids? mitosis prophase mitosis anaphase meiosis i anaphase meiosis ii prophase
The stage of cell division in a diploid organism if you see seven chromosomes, each consisting of a pair of sister chromatids meiosis II prophase. Option D.
Diploid cells have two complete sets of chromosomes. Most human cells are diploid and composed of 23 pairs of chromosomes for a total of 46 chromosomes. These are 22 pairs of autosomes and 1 pair of sex chromosomes. During telophase, sister chromatids become daughter chromosomes. Mitosis has five main stages prophase metaphase anaphase telophase, and cytokinesis.
Meiosis is the process by which diploid cells become haploid cells. The difference between haploid and diploid cells is that haploid cells contain one complete set of chromosomes, while diploid cells contain two complete sets of chromosomes. Meiosis involves the division of the diploid parent cell. When mitosis is complete, cells have two sets of 46 chromosomes, each surrounded by its own nuclear membrane.
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Discuss the important of abiotic factors for animals that live in the soil
Answer:
Abiotic factors include water, sunlight, oxygen, soil and temperature. Water (H2O) is a very important abiotic factor – it is often said that “water is life.”
Explanation:
Name and explain four types of changes in chromosome structure.
Solution:
The four types of chromosomal structural abnormalities can be grouped into the following two groups:
Balanced structural anomalies:
1. Translocations: simple or complex movement of chromosome fragments or whole chromosomes. Chromosome breaks and a part of it is attached to a different chromosome.
2. Inversion: where the chromosomal region is flipped so that it points in the opposite direction. That is, part of a chromosome breaks off at two points and the segment in between turns upside down and then rejoins the same chromosome.
Unbalanced structural anomalies:
3. Duplication: where part of a chromosome is copied. This means that a part of the chromosome is duplicated or has two copies. The result is additional chromosomal material.
4. Deletion: where part of a chromosome is removed. That is, there is DNA loss.
photosynthesis and cellular respiration both use electron transport chains. what is the source of electrons for photosynthesis and where do the electrons go at the end of aerobic cellular respiration?
Water serves as an electron source in the electron transport process of photosynthesis. The electron is extracted from water by using solar energy.
What is the electron transport chain's source of energy?
The electron transport chain uses the energy released by oxygen and reduced compound reactions such as cytochrome c and (indirectly) NADH and FADH2 to pump protons into the intermembranous space, producing the electrochemical gradient over the inner mitochondrial membrane.
In photosynthesis, water is split to produce electrons in the presence of sunlight, a process known as the photolysis of water. The electrons are finally transferred to NADP+ by the chloroplast electron transport chain, where they are reduced to NADPH.
Therefore, In aerobic respiration, electrons from NADH and FADH2 are transferred to oxygen by the mitochondrial electron transport chain to reduce oxygen in the water.
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which atp-producing process uses light energy? which term describes atp production resulting from the capture of light energy by chlorophyll? oxidative phosphorylation substrate-level phosphorylation dephosphorylation photophosphorylation
Photosynthesis is the atp-producing process which uses light energy.
Photophosphorylation is the term describes atp production resulting from the capture of light energy by chlorophyll.
Photosynthesis is the process by which light energy is converted into chemical energy in the form of sugars. Using light energy, oxygen is produced as a byproduct while carbon dioxide and water are converted into glucose (or other sugars).
ADP is converted to ATP by the process of photophosphorylation using light energy from photosynthesis. Energy-dense ATP molecules are produced when the ADP molecule is lighted by transferring the phosphate group into it.
Two types of photophosphorylation exists:
1. Circular Photophosphorylation - For instantaneous energy for the cells, the electrons are moved from ADP to ATP throughout this procedure. This procedure typically uses Photosystem I and chlorophyll P700 and occurs in the thylakoid membrane. The cyclic movement of electrons during the synthesis of ATP molecules is known as cyclic photophosphorylation.
2. Non- cyclic Photophosphorylation - Utilizing the energy from excited electrons produced by Photosystem II, the process of photophosphorylation produces ATP molecules. Because the primary acceptor transports the electrons released by P700 before they are finally transferred to NADP, this process is not cyclic.
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how can we improve human dietary habits using anaerobic respiration
Answer: Anaerobic metabolism uses glucose as its only source of fuel and produces pyruvate and lactic acid. Pyruvate can then be used as fuel for aerobic metabolism.
Explanation:
The bar graph below shows the total amount of product from a chemical reaction performed at
three different temperatures. The same enzyme was involved in each case.
Answer:Quizlet
Question
The bar graph (P 58) shows the total amount of produce from a chemical reaction performed at three different temperatures. The same enzyme w
Answer · 0 votes
35 C created the most amount of product (2 mg), 25 C creates
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a graph shows the total amount of product from a chemical reaction performed at three different temperatures. the same enzyme was involved i
Answer · 0 votes
•at 25 degrees C there was 1 mg of product •at 35 degree
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CHEMISTRY Effects of Temperatures on a Reaction Interpreting a Graph The bar graph shows the total amount of product formed from a chemical reaction that was performed at three different temperatures for the same time period. The same enzyme was involved each time in the chemical reaction 2 Describe the results at each temperature. Total Product (mg) 1
Answer · 1 vote
Interpretation from graph: From the graph it is clear that at first with rise in temperature product increases , but after a certain temperature (35oC) , product decreases with ri...
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Can you help me answer it please? I need it before 9pm today! Can...
Answer · 1 vote
Reactants are starting molecules that undergo chemical change in a chemical reaction. Based on diagram 3, an arrow in a chemical reaction represents a chemical change. It means that the reactants in the left side undergoes a reaction leading to the right-side products. The molecules that come after the chemical change are called products. They are the results of the chemical change of the reactants. Based on diagrams 5-8, another word for reactants is "substrates". Looking at our diagrams, you can see that the substrates attach to the enzyme in the left side. Therefore, in order for the reaction to take place with an enzyme, the reactants or substrate must attach to the enzyme. After the reaction takes place, you can see in diagrams 5-8 that the products formed leave the enzyme. The enzyme detaches the products from itself. You can see various drawings of enzyme showing different shapes of active sites. This is because each enzyme has different active sites. In diagram 10, there are 3 …
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Explanation:
The wobble phenomenon occurs at _______ end of the anticodon and helps explain why the _______ end of the codon shows the most redundancy.
The wobble phenomenon occurs at the 5' end of the anticodon and helps explain why the 3' end of the codon shows the most redundancy.
What is the wobble phenomenon?The wobble hypothesis is аn importаnt hypothesis thаt explаins the non-Wаtson Crick bаse pаiring thаt tаkes plаce during the trаnslаtion process. Аccording to this hypothesis, the bаse аt 5′ ends of the аnticodon is not spаtiаlly confined аs the other two bаses аllow it to form hydrogen bonds with аny of severаl bаses locаted аt the 3′ ends of а codon.
Pаiring of the tRNА аnticodon with the mRNА codon proceeds from the 5' end of the codon. Once the first two positions аre pаired, exаct bаse pаiring of the third position are less criticаl. The third (5') bаse of the аnticodon cаn typicаlly pаir with either member of the purine or pyrimidine pаir in the codon аs аppropriаte: it "wobbles". In this exаmple, the double-ringed G cаn pаir with either а single-ringed U or C. This аllows mRNА to be trаnslаted with fewer thаn the 64 tRNАs thаt would be required without wobble. Some wobble positions cаn pаir with аny of the four bаses.
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Paleontologists find a fossil ape with long arms. What type of environment can they infer it inhabited?.
The type of environment can they infer it inhabited is Woodland.
Environments such as lush rainforests and hot and humid climates are also not good places for fossils to form. Similarly, rocky peaks are not good places for fossils to form without depositing fine sediments. This radiometric method is often used to date the crystals and glasses of rapidly cooled volcanic rocks such as volcanic ash.
The most common minerals dated this way are zircon and apatite. For example, fossils are more likely to be preserved in marine environments where rapid burial by sediment is possible. Less favorable environments include rocky peaks where the carcass collapses quickly or deposits little sediment to bury the carcass.
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Put the steps of the Calvin Cycle in the correct order. Watch the video as many times as you need to understand this process.
1. The enzyme used in this reaction is called Rubisco and results in an unstable 6 carbon molecule that quickly splits into two three carbon molecules called 3-phosphoglycerate
2. ADP and NADP+ return to the thylakoids to be converted back to ATP and NADPH by the light reactions.
3. NADPH and ATP are used to in CO2 reduction where3PG is reduced to form G3P.
4. The cycle turns 6 times to form a glucose molecule.
5. ATP is used to combine the rest of the G3P molecules to form RuBP molecules
6. CO2 is attached to RuBP, a 5 carbon molecule
The correct order of the steps of Calvin cycle are:
6. CO2 is attached to RuBP, a 5 carbon molecule.
1. The enzyme used in this step is called Rubisco and the resultant is an unstable 6 carbon molecule that instantly splits into two three carbon molecules known as 3-phosphoglycerate.
3. NADPH and ATP are used to in CO2 reduction where 3PG is reduced to form G3P.
2. ADP and NADP+ come back to the thylakoids to be converted back to ATP and NADPH by the light-dependent reactions.
5. ATP is used to combine the remaining G3P molecules to form RuBP molecules.
4. The cycle turns 6 times to form a glucose molecule.
Calvin cycle is an important part of the light-independent reaction. It is involved in the synthesis of glucose molecules.
Rubisco stands for Ribulose-1,5-bisphosphate carboxylase-oxygenase. It is the most abundant enzyme present in the Earth.
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knuckle-walking group of answer choices compensates for weak arms in apes. is only found in primates with longer arms than legs. is found in lemurs with large scent glands on their hands. requires the use of a prehensile tail.
Knuckle-walking is only found in primates with longer arms than legs.
In knuckle-walking, the forelimbs keep the fingers in a partly extended position so that the body weight may push down via the knuckles on the ground. This kind of walking is used by chimpanzees, gorillas, anteaters, and even platypuses. This happens in primates with longer arms than legs.
Knuckle walking is beneficial for activities other than ground movement. The gorilla uses its fingers to manipulate food, and chimpanzees use their fingers to manipulate food and climb.
Anteaters and pangolins have strong claws on their fingers that are used to pry apart social insect mounds. Knuckle walking is utilized to avoid tripping since the platypus's fingers contain webbing that extends past the fingertips to help with swimming.
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in a population of lizards, the average tail length is selected against and the long and short tails are selected for in the population. which form of selection is best represented by this scenario?
Natural selection ensures that the fittest lizard survive by transferring the gene for survival to their offspring, preventing extinction.
Which of the following scenarios best exemplifies lizards' method of selection?According to an article published published this week in Nature, lizards that can securely cling to bushes are often more likely to withstand hurricanes – an instance of natural processes at action.
Hurricanes and other natural catastrophes can have catastrophic effects on ecosystems and cause widespread fatalities. However, it is unclear whether hurricane deaths are random or if they favor those with particular physical characteristics, such the capacity to withstand gale-force winds.
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how do you get chromosomes from your parents?
Answer: The egg and sperm each have one-half of a set of chromosomes. The egg and sperm together give the baby the full set of chromosomes
Explanation:
Answer:
The egg and sperm each have one half of a set of chromosomes. The egg and sperm together give the baby the full set of chromosomes.
Explanation:
Within the Phylum Platyhelminthes, what does it mean to be bilateral?A. to have symmetry on your body from side to sideB. to have 2 of each appendageC. to have multiple layers of body tissuesD. to have 2 step in your life cycle
Platyhelminthes present a body that can be divided into two, drawing a line from the head to the tail right in the middle of it, as the following image shows:
A geologist sees this folded rock when studying in the field. he is drawn to the sample that is labeled a. he determines this formation was caused by compression. what type of landform did he find at label a? anticline syncline plateau fault-block mountain
An anticline is a structural trap with an arch-like structure that typically forms as a result of compressional stress. In an anticline, the younger rocks are created on the outside while the older rocks are found inside.
What is meant by Anticline? A structural trap called an anticline is created when rock layers are folded into the shape of an arch. In an anticlinal trap, the rock layers were initially horizontally stacked until earth movement caused them to fold into an arch-like structure known as an anticline. Examples include the Purcell Anticlinorium, which dates from the Late Jurassic to Early Cretaceous and is located in British Columbia, the Blue Ridge Anticlinorium, which is located in the Appalachians in northern Virginia and Maryland, and the Nittany Valley in central Pennsylvania.Since these are the structures in which the oil and natural gas are confined, these anticlines are very significant in the study of geology. Thus, alternative is the right response (A).The complete question is,
A geologist sees this folded rock when studying in the field. He is drawn to the sample that is labeled A. He determines this formation was caused by compression. What type of landform did he find at label A? A)anticline B)syncline C)plateau D)fault-block mountain
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Answer:
A geologist sees this folded rock when studying in the field. He is drawn to the sample that is labeled A. He determines this formation was caused by compression.
What type of landform did he find at label A?
Answer: anticline
Limiting the intake of saturated fat, cholesterol, and trans fat helps to decrease the risk of heart disease. The 2020-2025 dietary guidelines for americans recommends saturated fat be limited to what amount of total calories?.
To further reduce your heart disease risk, limit saturated fats to less than 7% of your total daily calories.
Dietary fats include saturated fat. Along with trans fat, it is one of the harmful fats. Most of the time, these fats are solid at room temperature. High quantities of saturated fat are found in foods like butter, cheese, red meat, palm and coconut oils, and butter.
The following suggestions are from the American Dietary Guidelines for 2015–2020:
No more than 25% to 30% of your daily calories should come from fat.Aim to consume no more than 10% of your daily calories from saturated fat.Reduce your intake of saturated fats to under 7% of your daily calorie intake to further lower your chance of developing heart disease.Here is another question with an answer similar to this about saturated fats: https://brainly.com/question/11261140
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all of the energy is released as heat when protons (h ) flow from high to low concentration through the group of answer choices atp synthase in mitochondria. atp synthase in chloroplasts. uncoupling protein in mitochondria. photosynthetic electron transport chain. mitochondrial electron transport chain.
A proton is one of the three essential elements of an atom. Atoms contain protons in their nucleus. At the core of each atom, there is a minuscule, dense area.
What is protons?A proton is a stable subatomic particle with the symbols p, H+, or 1H+ and an electric charge of +1 e. Its mass is 1836 times greater than that of an electron and only slightly less than that of a neutron.Every atom has a proton, a subatomic particle, in its nucleus. The particle possesses an electrical charge that is positive and opposite to the electron's.A proton is one of the three essential elements of an atom. Atoms contain protons in their nucleus. At the core of each atom, there is a minuscule, dense area.To learn more about protons refer to:
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a herd of 55 cows eat 3250 pounds of silage daily . if the herd size increases to 80 cows how much more will be needed daily ?
Answer:
1,475 lbs.
Explanation:
Divide the current amount of silage eaten by the current amount of cows to find how much food one cow eats:
3250 ÷ 55 = 59
Then, subtract the current herd size from the new herd size to find how many new cows will be added to the herd:
80 - 55 = 25
Now, multiply the amount of new cows by the amount of silage eaten per cow:
25 * 59 = 1,475
There will need to be 1,475 more pounds of silage daily.
How is matter/energy transferred from one organism to the next?
In a photosystem, clusters of chlorophyll a, chlorophyll b, and carotenoid pigments function most like?.
(C) "an antenna" is what clusters of chlorophyll a, chlorophyll b, and carotenoid pigments function most like in a photosystem.
The light processes are crucially influenced by photosystems, sizable protein and pigment (light-absorbing molecule) complexes that are designed to capture light. The two different kinds of photosystems are the PSI and the PSII (PSII).
Numerous pigments that aid in the absorption of light energy may be found in both photosystems, along with a unique pair of chlorophyll molecules that are located at the core (reaction center) of the photosystem.
Clusters of the carotenoid, chlorophyll a, and b, carotenoid pigments in a photosystem act most like an antenna.
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Question correction:
In a photosystem, clusters of chlorophyll a, chlorophyll b, and carotenoid pigments function most like
A) a spring.
B) a propeller on a motorboat.
C) an antenna.
D) a windmill
What is the term associated with the type of compound in a mineral?
Answer: Inorganic
Explanation:
