Compaction and cementation
Answer:
Additionally, see how survival of younger deer (fawns and yearlings) is reduced. Younger deer are the most sensitive to habitat quality and environmental events, thus reproduction and survival of fawns and yearlings can be a good indicator of habitat quality, or deer density relative to carrying capacity.
Explanation:
two things I don't see the options
and
I would say build a wall
The ocean is the largest ecosystem.
