A rain shadow is a dry region of land on the side of a mountain range that is protected from the prevailing winds. Prevailing winds are the winds that occur most of the time in a particular location on the Earth. The protected side of a mountain range is also called the lee side or the down-wind side.
It is really just a layer of dirt between the atmosphere and the bedrock in the tectonic plates.
The house of representatives has 435 members, each state gets a certain number of representatives based off of it's population. a state with a larger population gets more representatives. the Senate has 100, 2 from each state. these two make up Congress.
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.
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