What does Percy hear Grover and Mr. Brunner talking about

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form

What is the farthest destination to date for a human spaceflight mission?

Select the correct answer from each drop-down menu proteins are