Valence electrons, then, are electrons in the outermost shell of the atom that determine an atom's or group's ability to bond with others. In chemistry, a group refers to two or more atoms that are specifically arranged.
Hoped that helped
Over 2/3 of the argicultural land is used
Paleogeography should be the answer
Well, since we are dealing with rocks, I'm just going to say that is is erosion
