What is the difference between amino acids and carbohydrates?

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

Did you know that a blue wales tongue weighs more than an elephant?

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist