The answer to this question is :B
Answer:
Erosion, each of these wear away rocks by bumping and chipping pieces off.
Explanation:
Answer:
carbon hydrogen oxygen nitrogen
Answer:
cell membrane
Explanation:
Single cell organisms like the bacteria depend mostly on diffusion for gaseous exchange. They take in food that does not require complex digestion processes. The cell membrane is selectively permeable and allows absorption of nutrients like glucose that have molecules of small size.
