Explanation:
Just as animals are used as models to study the heart or lungs of human beings, so they are used as models to gain insight into the human brain and nervous system. But the brain is much more complex and subtle than any other organ.
(please vote me brainliest)
Answer:
C
edge 2021
Gee- this is hard.
I would go with..... d? It wouldnt reduce erosion, or b or c. Sorry if you get this wrong.
Answer: I´m pretty sure it´s true
