I agree with the person above - he should include D. the religious beliefs of people.
Nonmaterial means that it isn't physical - it doesn't have a shape or form, but rather refers to something abstract. Thus, D is the correct answer here because all other options are in fact objects of material nature created by people.
Development of a hypothesis 100%
Answer:V=1320/P. The tank holds 4 liters
Explanation: I just did this on Knewton
Answer: 34.968 amu, 35.453 amu, 35,968 amu, 36,966 amu
Explanation: