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Physics, 13.10.2019 11:30 cheermom2000

Your classmate states that only precious minerals, such as diamonds, are valuable. based on your lesson on the rock cycle, you

a. agree with her; pound for pound, diamonds cost the most
b. agree with her; diamonds are valuable, but there are other minerals that are used in industry that have a high value, as well
c. disagree with her; the cost of diamonds has dropped sharply over the past ten years
d. disagree with her; diamonds have no true value

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