01 - Ionia Public Schools

LAW OF SUPERPOSITION. 17. Sedimentary rocks form when. a. lava flows from volcanoes at different periods of volcanic activity. b. new layers of sediment are deposited on top of old layers of sediment. c. magma is injected into older rock from Earth’s core and then cools. d. rivers erode igneous rocks and wind forms the edges into layered ... ................
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