Proteins are broken down into amino acids, while carbohydrates are broken down into sugars.
It should be a food web, because there are various producers and consumers, and the bears and humans eat each other
(C.) The layers of the Earth are uniform in thickness
This is untrue. The mantle is far large than the crust and there are other large size differences.
Cold air is drier because the water molecules are more likely to condense to a liquid.
This was the answer on my course, hope it helps!
Protects the plant from losing water. The sharp needles of the tree mean that is has less surface area for the sun to make contact. They may also have differently shaped stomata, in order to prevent water loss
