Answer:
A the hole in the ozone layer is decreasing
B
Explanation:
The answer here is ATP.
ATP is used in the first step of glycolysis to convert glucose into glucose-6-phosphate (that's where the phosphate comes from).
Answer:
D) Sea otters are a keystone species as they prevent a herbivorous species from completely destroying a plant species.
Explanation:
Superficially, the connection between the cell cycle and cancer is obvious: cell cycle machinery controls cell proliferation, and cancer is a disease of inappropriate cell proliferation. Fundamentally, all cancers permit the existence of too many cells.
