Answer:
C
Explanation:
It's pretty simple really, just find the <em>Benefit</em>. Pollution is definitely a harmful effect, disease is also not a benefit, and depletion of fish population is bad, so easing demand on commercial fisheries is the answer
It would be the endocrine system.
Answer:
traits that hinder survival eventually disappear
Explanation:
living things adapt to their surroundings
