Sand and glass have different chemical formulas, so that means that the atoms are rearranged and this is a chemical reaction.
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The answer is B, Pangaea. This was the name for the large continent that supposedly existed before we had all of our separate continents today (all of which were part of Pangaea).
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Answer:
Decrease in supply, increase in price
Decrease in price, increase in supply
It is the first choice, since that (P) is dominant to (p) so yeah Pp will be inflated