Detailed explanation and options for the selected question.
Which type of rock is formed by layers of sediment compacted over time?
A.
Igneous rock
B.
Metamorphic rock
C.
Sedimentary rock
D.
Volcanic rock
Explanation:
Sedimentary rock forms from compressed layers of sediment. Igneous from cooling magma, metamorphic from heat/pressure transformation, volcanic is igneous from eruptions.
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