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Magma is less dense than the surrounding rock which causes it to rise. When magma reaches the surface it is then called lava and the eruptions of lava and ash produce volcanoes. The lava that reaches the Earth's surface will harden and become igneous rock.
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Answer:
<em>The name for a complex group of organisms is system Hope this helps!</em>
D <span> microscopes hope it helps </span>
Answer:
double displacement reaction
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