troposphere
Explanation:
the troposphere is starting at ground level
Answer:
D. Xylem
Explanation:
The innermost part of a hair cell contains the proto-xylem and the meta-xylem. They transport nutrition internally, so it has space for the energy to be stored.
As the relative humidity increases, hair becomes longer, and as the humidity drops it becomes shorter.
Answer:
4
Explanation:
Because most of these organisms are autotrophs meaning they make their own food from abiotic factors. Organisms higher up the food chain are heterotrophs meaning they feed on other organisms for energy. Organisms at lower trophic levels usually have higher biomass (in higher population numbers) than higher organisms. This is because of the inefficiencies of passing energy up the food chain.
Answer: The atom of carbon is able to form macromolecules because it has only four electrons in its outer shell. This is the reason why it can bond with four other carbon atoms. The bonds that it forms with other carbon molecules are very stable.
Explanation: I did my research and i also took Science class. :)
Hope this Helps :).