Answer:
B
Explanation:pls mark brainliest
There are four groups of macromolecules. Carbohydrate, Protein, Nucleic acid, and Lipids. Each macromolecule is essential for the growth and formation of cells. Carbohydrates are used for energy and help build the structure of the cell wall. Proteins help build and regulate muscle and tissue. Nucleic acid transfers
and stores information. Lastly Lipids insulate your body and help produce hormones.
The environment is your correct answer<span />
An increase in the number of wbcs in the blood
Answer:
extension- increasing the angle between two boned of the straightening of a limb.
Im sorry I only know the first one. :( Wish I could help 100%