Praxis 5511 Practice Test Practice Question
Which kind of rock is typically formed by the cooling and solidification of lava or magma?
Correct Answer: A
Rationale: Igneous rocks are formed through the cooling and solidification of lava or magma, making them the appropriate choice. Metamorphic rocks, option B, originate from the alteration of existing rocks under heat and pressure, not from cooling molten material. Clastic sedimentary rocks, option C, are composed of fragments of other rocks that have been compacted and cemented together, while chemical sedimentary rocks, option D, form from the precipitation of minerals from solution. Each of these processes differs fundamentally from the formation of igneous rocks.
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