In real life situation, is it enough to make one hypothesis for a certain event or phenomenon? why?​

How does natural selection change thephenotypes within a population over time?

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

How is the carbon cycle related to global warming ?