Which of the following examples could correctly show the mean density of lunar soil?

3.24 cubic centimeter

3.24 grams per square centimeter

3.24 cubic centimeter per gram

3.24 grams per cubic centimeter

I just did this assignment, the correct answer from the following is 3.24 grams per cubic centimeter.

The correct answer is 3.24 grams per cubic centimetre. As a matter of fact, the lunar soil’s mean density may range from 2.90 to 3.24 g cm-3 which highly depends on the type of ingredients present in its resource materials.