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Magma that cools and crystallizes on Earth's surface forms A. quartz. B. marble. C. intrusive rocks. D. extrusive rocks.

Jeffrey Rodriguez

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Jeremy Wood on November 24, 2018

The correct answer is:D. Extrusive rocks.The explanation:when extrusive igneous rocks are formed when magma reaches the Earth's surface a volcano and cools quickly. Most extrusive (volcanic) rocks have small crystals. Examples include basalt, rhyolite, andesite, and obsidian.


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