Aphotic zone: It is an inky darkness that occupies the great bulk of the ocean.
Photic zone: its a surface layer that receives sunlight.
Answer:
The answer is BBBBBBBBBBB
I believe D because if the fertilizer had a concentrated source of nitrate (which plants do need) then when watering that can go into the ground water which is underground <span />
A is the answer because the hexabe dissolves in a matter of time.
