All I know about spanich is, all the "words" end with a O, I, L, E, or A. Its kinda funny.

Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.

6what is the importance of water on earth? a) it keeps the top layer of the geosphere cool b) it allows life to exist c) it provides ice at the poles d) it creates earth's blue color from space

Which formula can be used to calculate the molar mass of hydrogen peroxide