All of earths water, land, and atmosphere within which life exists is known as

The energy needs of a human population are not affected by

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

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?