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".
A threadlike structure of nucleic acids and protein found in the nucleus of most living cells, carrying genetic information in the form of genes.
It is an archea
Answer:386 ppm
The answer is C
Three tissue layers I think
