Answer:
New neurons form and new dendrites grow throughout adulthood.
Explanation:
The answer is d. atmosphere < leaves < roots < soil
It would be (B) I hope that helps yoi
Answer:
food molecules become digested once there is a concentration gradient to drive diffusion, the nutrients need a path across the membrane. fats and fat soluble nutrients can move directly across the lipid membrane. water, gasses ane other very small molecules can diffuse through the pores of the cell.
