<span>Across nearly seven million years, the human brain has tripled in size, with most of this growth occurring in the past two million years.</span>
D I believe but I’m not so sure
I believe the answer is B!
Answer:
It is crucial that you use credible primary and secondary sources to ensure the validity of your academic research, but knowing which ones are credible can be difficult!
Luckily, there are some tricks for helping you figure out if a source is credible, which we have outlined in our guide to evaluating sources using the CRAAP test.
If you are not sure where to begin, we have collected a list of credible sources to help point you in the right direction.
