A sharp knife cuts objects mire effectively than a blunt knife give reasons

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

The idea of spontaneous generation was disproved by in a experiment involving jars of meat

Explain why ecosystem diversity results in species diversity in a healthy biosphere