Faults. They are often sources of earthquakes and volcanoes.
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How might a numerical date for a layer of sedimentary rock be determined? The order of occurrence of the sedimentary layer is related to a local igneous body that has been radiometrically dated, thus yielding an age range for the sedimentary layer.
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Answer:
Look What DO we have here Some <u><em>Rocks</em></u>
Explanation:
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Some animals in a tundra are polar bears, arctic foxes, caribou’s. some vegetations are mosses, lichens, sedges.
Lava that cools so quickly that the ions do not have time to arrange themselves into crystals with definite shape will form igneous rocks with FINE GRAINED TEXTURE. Igneous rocks are those rocks formed as a result of cooling of magma or lava.