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science review


which layer of soil is the youngest? the top layer.
what is intrusion? a break in of magma.
what is a producer? an organism that uses sun energy or chemical reactions to make their own food.
what are scavengers? animals that feed on dead animals.
what is uniformatarianism? that the same processes that go on today went on in the past.
how does sound travel? by vibrating air molecules.
how does a shooting star burn up? by friction of the atmosphere.
what is the richter scale used for? to measure the strength of an earthquake
Created by: 2004116