There is no pigment in the brain, so it is in it's natural colour, grey.
High central plateaus sandwiched between tall mountains
Answer:
The answer is B, extensive research of an individual organism over many years.
Explanation:
The question is asking, what best describes Darwin's studies that led to the theory of evolution, it would be a lot of research over a long period of time. Think, if you were to do a school project, would you get your best results over a short or long period of time with little or a lot of evidence/research? So, B is the best answer, I believe.
(PLEASE BRAINLIEST)
Um your question is very unclear lol
Answer:
Nuetral
Explanation:
There are bad mutations, but there are good mutations. Its all a part of natural selection.