Divergent boundaries: where new crust is generated as the plates pull away from each other. Convergent boundaries: where crust is destroyed as one plate dives under another. Transform boundaries: where crust is neither produced nor destroyed as the plates slide horizontally past each other.
One way to envision the water cycle is to follow a drop of water around as it moves on its way. ... If the drop wanted to stay in the ocean then it shouldn't have been sunbathing on the surface of the sea. The heat from the sun found the drop, warmed it, and evaporated it into water vapor
