<span>B. The region stretching from alaska to newfoundland
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A mineral is a naturally occurring,inorganic, crystalline substance that aggregate to form rocks. Geologists separate minerals into classes based on their chemical composition. The different classes of minerals include halides, oxides, phosphates and sillicates. Rocks are usually classified based on the grouping and composition of minerals in rocks.
B. when limited resources cannot meet unlimited wants
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Answer:
Both of them are Igneous rocks
Explanation:
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