The best explanation Charles Darwin provided was C) <span> He was the first to provide an explanation of evolution supported by evidence. </span>
I believe that substance would be water.
Answer:
If there is one thing a scientist would analyze it would probably be all the factors in an experiment along with what the results.
Explanation:
Your question is too vague but I gave the most likely answer
A adaptation is a trait that helps an organism survive and reproduce.