I believe it is c.
I know that d is wrong for sure so my answer would be c
Answer:
density dependent limiting factors
Explanation:
a limiting factor is something that limits a population from growing such as lack of food. Its dependent because it affects many organisms not just one.
Answer: regressing
Explanation: if a person degenerates, they are losing capabilities and their qualities are decreasing or declining. Basically things are getting worse.
Regressing is returning to an older, less developed state while progressing is getting better.
Degenerating and regressing are going backward while progressing is going forward.
The answer you are looking for is B.
