Answer:
A
Explanation:
I'm pretty sure it's A because fish = fish feces which = nutrients.
D
"Making whales a protected species to increase the whale population." This is the correct answer because more whales means more recycled nutrients. Therefore, by protecting whales, more whales will play a role in the process of the "Whale Pump".
Space and sunlight
D. before cells without a true nucleus
B
Igneous rocks are formed by the solidification of magma or lava.
because our body needs six main nutrients to function normally
