It is definitely not a primary source: this would be a book itself.
Now, is it a tertiary source? I don't think so: the author of the review should have read the book and should only be referring to this book in the review.
I think it's a secondary source.
Answer: B)
humans and chimps share a common ancestor.
Explanation:
The answer to your question is A)front
Answer:
Hypothalamus
Explanation:
It maintains the process that leads the activation of wakefulness or alertness of the cerebral cortex
