The answer is D.rainforest. it is a very complex ecosystem with variety of plants and animals.
Algae will be overgrown and larger fish will begin to die out as the carrying capacity has lowered due to a limit in food.
I think its anaerobic respiration
Hey mate!
You stuck?
For a quantity of water, milliliters (mL) are used
For the length of a leaf centimeters or millimeters (cm; mm) are used
For the mass of a small stone, gram (g) are used.
Hope this helps! :)