Aye yo anyone know this question

An example of what is geese flying south for the

An atom of nitrogen had seven protons in its nucleus. how many electrons does it have

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