Heat causes chemical reaction so that might be a way in which people use chemical properties to separate one substance from another substance .
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I would be more than happy to help you answer this but I have no idea what the answer choices are or what the map looks like?
Answer:the refusal to comply with certain laws or to pay taxes and fines, as a peaceful form of political protest.
Explanation:found it am i am in 7 grade
Answer:
Geochronology. The two igneous clasts—an andesite clast and a metatonalite clast—separated from the upper Pottsville Formation yields an age of ∼323 and ∼295 Ma, respectively.