Answer:
Optic Nerve
Explanation:
Hello There!!
The answer is C. Optic nerve.
Because, The eye works like a camera. The cells in the retina absorb and convert the light to electrochemical impulses which are transferred along the optic nerve to the brain. The brain is instrumental in helping us see as it translates the image into something we can understand.
P.S Tell me if this is wrong...
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1. How many cm are equal to 1.45 m?
2. How many kg are equal to 325 g?
3. How many mL are equal to .0024 L?
4. How many km are equal to 1.55 x 104 m?
5. How many mm are equal to 4.75 x 10-2 m?
6. How many cg are equal to 0.459 kg?
7. How many km are equal to 5,995 dm?
8. How many mg are equal to 450 g?
9. How many mm are equal to 0.003 dm?
10. How many ML are equal to 4.567 x 104 mL?
Explanation:
(1) 1 m = 100 cm
1.45 m = 100 × 1.45 cm = 145 cm
(2) 1 kg = 1000 g
325 g = 0.325 kg
(3) 1 L = 1000 mL
0.0024 L= 2.4 mL
(4) 1 km = 1000 m
[tex]1.55\times 10^4\ m=1.55\times 10^4\times 0.001=15.5\ km[/tex]
(5) 1 mm = 0.001 m
[tex]4.75\times 10^{-2}\ m=4.75\times 10^{-2}\times 1000\ mm\\\\=47.5\ mm[/tex]
(6) 1 kg = 100000 cg
0.459 kg = 45900 cg
(7) 1 dm = 10⁻⁴ dm
5,995 dm = 5,995 × 10⁻⁴ km
(8) 1 g = 1000 mg
450 g = 450000 mg
(9) 1 dm = 100 m
0.003 dm = 0.3 mm
(10) 1 mL = 0.001 l
4.567 × 10⁴ mL = 45.67 L
In a sample of a solid the particles are
A.
not moving.
B.
vibrating about a fixed position.
C.
sliding past each other.
D.
moving independently around the container.
Respiration changes:
food into energy
food into water and oxygen
water and carbon dioxide into food
energy into foodant.
please answer!!!!
For many years scientists thought that dinosaurs rapidly replaced their ancestors. New information shows that dinosaurs and their non-dinosaur ancestors may have
existed together for tens of millions of years. Which evidence MOST likely made it possible to support the idea that dinosaurs and their ancestors coexisted for
millions of years?
A. Fewer fossils were found of amphibians than of dinosaurs.
B. More fossils found were of larger organisms than of dinosaurs,
C. Herbivore bones were found in each rock layer.
D. Bones of three different species were found in the same rock layer
Answer:
The evidence that is most likely to support the idea that dinosaurs and their ancestors could have coexisted for millions of years is bones of three different species were found in the same rock layer (option D).
Explanation:
Fossils have been the strongest evidence of the existence of extinct species in the remote past. The discovery of some species and their possible ancestors in the same layer of rocks confirms the possibility of the coexistence of evolutionary forms of the same species, for a great period of time.
Once the fossils have been found, paleontologists use molecular genetic techniques to identify the fossils and their relationship with others found in the same place.
The approach suggests that it is not necessary for a species to become extinct in order for its evolutionary descendant to appear, considering coexistence for thousands or even millions of years.
The other options do not provide solid evidence to support this approach.
A. Fewer fossils were found of amphibians than of dinosaurs, which does not specify an evolutionary relationship.
B. More fossils found were of larger organisms than of dinosaurs, which is not true, because species descended from dinosaurs tend to be smaller.
C. Herbivore bones were found in each rock layer, not related to the approach.
Which statement describes the differences between nuclear reactions and chemical reactions?
Answer:
the answer is C
Explanation:
In a neutral aluminum atom with atomic number 13, how many
protons, neutrons and electrons are there?
Answer:
atomic number=proton=electron= 13
neutrons= 14
Process for the extracting o acting oxygen and from iron oxide containing ores
Answer:
Smelting reduction employs two units: in the first, iron ore is heated and reduced by gases exiting from the second unit, which is a smelter-gasifier supplied with coal and oxygen. The partially reduced ore is then smelted in the second unit, and liquid iron is produced.
Emma has 37 green apples and 15 red apples. What is the ratio of red apples to green apples?
Answer:
15:37
Explanation:
cant simplify because 37 is prime
Democritus was a Greek philosopher living from c. 460 B.C. to c. 370 B.C. He wrote several suppositions on the properties of matter.
Which of the following statements most closely describes Democritus's ideas about matter?
A.
All matter is composed of tiny particles that can vary in shape, size, and weight.
B.
All matter is composed of tiny particles that either have a positive or a negative charge.
C.
Solid matter is composed of square-shaped particles and liquid matter is composed of flat particles.
D.
Solid matter is composed of atoms and liquid matter is composed of elements.
30 points please help fast !!!Gold has a density of 19.3 g/cm^3, and a volume of 17.78 cm x 9.21 cm x 4.45 cm. What is the mass of 3 gold bars ?
Answer:
17.76 cm x 9.21 cm x 4.45 cm = 727.9 cc. Calculate the weight of the gold bar using the density of gold, which is: 19.3 g/cc. Use the density ...
How many orbitals are in the f sublevel?
Answer:
7 orbitals
Explanation:
An f sublevel has 7 orbitals
According to the Aufbau principle, the number of orbitals in a sublevel are determined, thus there are 7 orbitals in a f sublevel.
The aufbau principle , also called the aufbau rule, states that in the ground state of an atom or ion, electrons fill subshells of the lowest available energy, then they fill subshells of higher energy.
Passing from one element to another of the next higher atomic number, one proton and one electron are added each time to the neutral atom. The maximum number of electrons in any shell is 2n², where n is the principal quantum number. The maximum number of electrons in a subshell is equal to 2(2l + 1), where the azimuthal quantum number l is equal to 0, 1, 2, and 3 for s, p, d, and f subshells, so that the maximum numbers of electrons are 2, 6, 10, and 14 respectively.
Thus, there are 7 orbitals in a f sublevel.
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True or False: There are equal numbers of the
atoms of each isotope of an element
the figure shown has two parallel lines cut by a transversal
what is the element name Au
Answer:
Gold
Explanation:
Answer: Gold
Explanation:
Au represents gold
Which of the following has mechanical energy? (5 points)
Car battery
Compressed spring
Glowing incandescent lightbulb
Nucleus of uranium atom
Answer:
compressed spring
Explanation:
why does algae grow in a lake
Answer:
Light Exposure and Water Movement. Along with food, algae require the right amount of light to thrive. ... Filamentous algae will typically grow around the shoreline of a pond or lake because this is where the shallower water is.L
Hope that helps :)
Answer:
algae will typically grow around the shoreline of a pond or lake because this is where the shallower water is.
Explanation:
How can I explain that orange juice is a homogeneous mixture ?
Answer: It is usually separated from tea leaves by filtration. B Because the composition of the solution is uniform throughout, it is a homogeneous mixture. A Orange juice contains particles of solid (pulp) as well as liquid; it is not chemically pure.
HELP ITS DUE IN 10 MIN How long will it take an object to move 100 meters if the object is traveling with an average
speed of 13 meter per second? (Answer to the nearest 100th decimal with units)
Answer:
Would it be 7.69 seconds?
Explanation:
As the temperature of a gas decreases, what change occurs in the amount of kinetic energy? The kinetic energy
Answer:
When the average kinetic energy of the molecules goes up (a rise in temperature), the average speed of the molecules increases. And lower average kinetic energy of the molecules means they have lower speed. When heat (energy) goes into a substance one of two things can happen:
Explanation:
If the temperature is increased, the average speed and kinetic energy of the gas molecules increase. ... If the gas volume is decreased, the container wall area decreases and the molecule-wall collision frequency increases, both of which increase the pressure exerted by the gas (Figure 1). Avogadro's law.
As the temperature of a gas decreases, the amount of kinetic energy also decreases .
How does decrease in temperature affect the amount of kinetic energy?If the temperature is increased, the average speed and kinetic energy of the gas molecules increase.
If the temperature of gas volume is decreased, the container wall area decreases and the molecule-wall collision frequency increases.
The temperature of a gas decreases and hence , results in the amount of kinetic energy also decreases .
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which best describes explains how elements are arranged on the periodic table
elements are arranged by the atomic number of the element
HURRY!! 30 points!!
In the process of photosynthesis, plants use carbon dioxide, water, and energy to form carbohydrates and oxygen Which of the following best explains how plants follow the Law of Conservation of Mass
The reaction uses energy to produce a product without energy
A gas (carbon dioxide) and a liquid (water) use energy to produce a solid (carbohydrates).
The amount of each element that begins photosynthesis equals the amount of each element that is produced
The amount of carbohydrates at the beginning of photosynthesis equals the amount of oxygen that is produced
Answer:
The amount of each element that begins photosynthesis equals the amount of each element that is produced
Explanation:
Photosynthetic reaction is the combination of water and carbon dioxide with the aid of light energy to form glucose and oxygen. The amount of reactants are equal to the amount of product in this reaction. Hence, option C is correct.
What is synthesis?Photosynthesis is a biochemical process by which water and carbon dioxide combines to form energy and oxygen with the aid of light energy. The green pigment chlorophyll a photoactive substance absorbs sufficient heat energy for this process.
According to mass conservation law, mass can neither be created nor be destroyed. Thus, in a chemical reaction, the total mass of the reactants will be equal to the total mass of products.
The photosynthetic reaction is written as follows:
[tex]\rm 6CO_{2} + 6H_{2}O \rightarrow C_{6}H_{2}O_{2} + 6O_{2}[/tex]
It is clear from this balanced reaction that, all the elements in each side are equal in number and thus no mass is lost or gained and thus, obeys mass conservation law. Hence, option C is correct.
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Convert 132 cm to km
132 cm to 0.00132 km.
there you go, hope this helps!
How many significant figures do the following numbers have?
7.
36,004
8.
10.040
9.
0.03460
10.
2.804
11.
4000
12.
13.04 x 104
Answer:
7. 5
8. 4 or 5
9. 3 or 4
10. 4
11. 1 or 2 or 3 or 4
12. 6
Explanation:
7. 5
8. 4 (excluding the 0) or 5 (including the 0)
9. 3 (excluding the 0 at the back) or 4 (including the 0 at the back)
10. 4
11. 1 or 2 or 3 or 4 (according to the number or 0s included)
12. 13.04 × 104 = 1356.16
ans: 6
2. Match each diagram with its correct description. Diagrams will be used once.
.
O
A
B
с
D
E
Pure Element - only one type of atom present.
Mixture of two elements – two types of uncombined atoms present.
Pure compound - only one type of compound present.
Mixture of two compounds - two types of compounds present.
Mixture of a compound and an element.
Answer:
1.C
2.E
3.B
4.A
5.D
Explanation:
C- Pure element - one type of atom present
E- Mixture of two elements - two types of uncombined atoms present
B- Pure compound - only one type of compound present
A - Mixture of two compounds - two types of compounds present
D- Mixture of a compound and an element
The images represent;
Pure elementMixture of two elementsPure compoundMixture of two compoundsMixture of a compoundIn image C, there is only one kind of uncombined representation, this corresponds to a pure element
Image E has two uncombined representations which corresponds to a mixture of two elements
Image B consists of only one type of combined representation. This corresponds to a pure compound.
Image A shows two kinds of combined representations. This corresponds to a mixture of two compounds.
Image D consists of some combined representations and some uncombined representations. This corresponds to a mixture of a compound and an element.
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what is the mass of a proton
Which of these scenarios is most likely a chemical reaction?
A. A gas turns into a liquid as it releases energy.
B. A liquid becomes a gas as it absorbs energy.
C. Two white solids are added to a colorless liquid, and a colorless liquid remains.
D. Two colorless liquids are added together, and a colorless liquid and a green solid remain.
Answer:
D. Two, colorless liquids are added together, and a colorless liquid and a green solid remain.
Explanation:
Two, colourless liquids are added together, and a colourless liquid and a green solid remain. Hence, option D is correct.
What is a chemical reaction?A chemical reaction is a process in which one or more substances, also called reactants, are converted to one or more different substances, known as products.
In the scenarios mentioned in the question, all are considered under chemical reactions.
● In the first reaction when gas is turned into a liquid and energy is released few molecules get transformed into other compounds and hence chemical change takes place.
● In the second case when two white solids are mixed in a colourless liquid the two white solids get dissolved in the colourless liquid forming a new solution which is a chemical change.
● In the third case two colourless liquids are added together and a colourless liquid and a green solid are the products of IT in this case also a chemical reaction takes place resulting in the formation of a green colour Residue.
Two, colourless liquids are added together, and a colourless liquid and a green solid remain. Hence, option D is correct.
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9 What is the difference between the velocity and the speed of an object?
Describe the basic properties of each physical state of matter: solid, liquid, and gas
Answer:
solid matter is composed of tightly packed particles. A solid when we retain its shape the particles are not free to move around. liquid matter is made of more Loosely packed particles. It will take the shape of its container. Particles can move about within a liquid, but they are packed densely enough that volume is maintained. gaseous matter is composed of particles packed so loosely that it is neither a defined shape nor a Define volume. A gas can be compressed
When you open the door to your house on a cold day, you feel a cold draft. What causes this?
Answer:
Inside it's usually warm so when you open a door to outside which is cold a cold front and a warm front will be exposed to each other cold will win usually since cold goes below the warm front.
Explanation:
what is acidity of nh4oh
Answer:
The formula NH4OH is ammonium hydroxide. ... The pH of NH4OH is 11.6, so it is a base.
Explanation:
Answer:
The base chemical in the manufacture of nitric acid
Explanation:
