Basically all of the choices given are failure of negative feedback mechanisms to maintain homeostasis. The correct option among all the options that are given in the question is the last option or option "E". I hope that this is the answer you were looking for and it has come to your help.
Trophic levels go by,
Producer (The nuts)
Primary Consumer (Squirrels)
Secondary Consumer (Raccoons)
Tertiary Consumer (Bear)
So squirrels would be at a lower trophic level.
Hope his help :)
The answer is D) an increased proportion of wealthy citizens
Answer:
A fault is a fracture, or break, in Earth's lithosphere, along which blocks of rock move past each other.
I hope it's helpful!
D - All of the above
because a machine can do all of those things.
