research three rocks of different types igneous sedimentary and metamorphic and state their respective economic and medical significance in our present society
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Answer:
Sedimentary rocks
Explanation:
Igneous rocks are formed from melted rock deep inside the Earth. Sedimentary rocks are formed from layers of sand, silt, dead plants, and animal skeletons. Metamorphic rocks formed from other rocks that are changed by heat and pressure underground.
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