The answer to this question would be D.) Permafrost prevents penetration of deep roots.
Hope this helped!
Answer:
second one
Explanation:
the second one is aerobic respiration which creates alot of energy
The retina; I may be wrong.
The stomach is an example of an organ. The mitochondria N is an example of an organelle. The mushroom and the bacterium are examples of organisms.
Spongy bone consists of plates (trabeculae) and bars of bone adjacent to small, irregular cavities that contain red bone marrow and the canaliculi connect to the adjacent cavities, instead of a central haversian canal, to receive their blood supply
