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
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