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

The correct answer is B.agree with her; diamonds are valuable, but there are other minerals that are used in industry that have a high value, as well

Diamonds are valuable but there are also many minerals that are used in Industry and are valuable too. For example Gold is a valuable element that is used in the production of Micro-processors. Platinum is another mineral that is used in the production of Catalytic converters and nitric acid. It is also very expensive.

get the total number of pieces of fruit and divide it by 4 to get the average. the result is the answer to the problem. 14 total number of fruits and there are 4 members. 14 divided by 4 is equals to 3.5.