Answer:
3. fats
Explanation:
fats are in the food used by animal cells, fats and lipids can be used for things such as storing energy in the cells
hope this helps :)
Answer:
build up
Explanation:
b. accumulating increased concentration
Answer:vegetables or protein maybe
Explanation:
Answer:
3rd One
Explanation:
1. Doesn't even talking about animals dying
2. Kills of all the fish in one small pond but not the whole species
3. Correct because every individual in a species has been killed
4. They just migrated not died
B looks like the best to me