B, because they can not change from consumers to carnivores
and if they have a decrease in food supply that would not cause them to increase
so B would be the answer
Answer:
D. on the surface, directly above the focus
Ok here we go:
Science starts with observing which leads to hypothesis, which is tested by experiments.
The other two i am not sure of. Hope i was a help to you. One thing you can do to figure out the other two is google: "what type of science includes medicine and envirnmental science", and do the same for the other one.
