The concept would be crystallization. As magma cools inside or outside of the earth it crystallizes into an igneous rock. Intrusive (formed inside crust) igneous rocks are typically more course grained and contain many different noticeable minerals (for example, granite). Extrusive (formed outside) igneous rocks are typically more porous and are more fine grained then intrusive rocks (example, obsidian).
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All the above
Explanation:
I'm not 100% sure this is accurate. Good Luck!
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pollution of water. or do you mean pollutant in which case would be like garbage or oil spills
They can also use carbohydrates so I don't know
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Refer to the diagram
*I’m not sure about the “present in all foods”
