Describe an environmental factor that could influence natural selection and decrease genetic diversity?

answer; the above answer to the above statement is (true)

meteorologists would compare a new weather map with one 24 h old to see how fast a front is moving.

answer: a) a compound microscope has a greater magnification ability than a simple microscope.

explanation:

2%? i tried finding the exact sorry if it's not 100% correct ; -;