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D) increased haze and smog caused by auto exhaust and tire particulates.
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Metamorphic things have experienced some kind of transformation or change. ... In geology, metamorphic describes a specific process that some rocks undergo when heat and pressure changes them. The Greek metamorphoun, "to transform," is from meta, "change," and morphe, "form."
Explanation:
Answer:
Where is the most important w to geographers, so they know where to find things in countries