Both options are valid because they have happened before and can influence the mentioned drop in the population. Toxins in the food chain, just like the increase of water temperature, are easily proven and found and are mostly human made.
Answer:
Imfaoo, i can tell u bor-ed as hell
Answer:
A: melting snowman sweats drop of water under a bright sun
Answer:
I think A
Explanation:
Since a part of the lysome doesn't function properly, it causes accumulation of toxic substances.
In A it says the enzymes of the lysomes are not breaking down enough toxic material which means there is toxic material that is unwanted
So I think it's A
Hope this helps :)