Match the following rocks with the correct type.
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The circles, or orbits, for electrons are called energy levels. each level can hold only a certain number of electrons. add electrons to each level until you can't add any more. how many electrons can each level hold?

The buildup of sediments where a river empties into a slow-moving or nonmoving body of water is known as a/an

Name the types of burns one can get and which structures of the integument are damaged