Which best describes how the population of europe is changing?

What is the difference between external & internal migration

What can happen to solar radiation when it enters earths atmosphere? check all that apply 1)it is absorbed by earth. 2)it is reflected by clouds. 3)it is reflected by glacial ice. 4)it is condensed into visible light. 5) is amplified by water molecules.

Which are evidence of the seafloor spreading? a. molten material b. magnetic stripes c. continental material d. drilled core samples e. ocean water samples