Answer:
A
Explanation:
I'm pretty sure it's A because fish = fish feces which = nutrients.
I'll help you with your science
Closest I found was 'species that is harmed in a symbiotic relationship in which another species benefits - host'
Because it takes millions of years of pressure under the right conditions for dead creatures to become fossil fuels, and we're running out of the resource faster than it could ever be replenished.
