The water cycle is the blank by which water blank through the blank and atmosphere.

Mass of water is smething that you froma drug test or sum girl ya

The correct answer is "hydrogen".

The atomic nucleus made up from protons (yellow) and neutrons (blue) and held together by nuclear forces. nuclear forces (also known as nuclear interactions or strong forces) are the forces that act between two or more nucleons. they bind protons and neutrons (“nucleons”) into atomic