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Step2247 [10]
2 years ago
15

What are two extrusive rocks

Physics
1 answer:
Ad libitum [116K]2 years ago
5 0
<span>Extrusive igneous rocks form 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.</span>
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