Shift rapidly between important areas
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.
7 percent times 290000 in your calculator. $290000 take away the answer. You will get the answer for January the 1st. 6 percent times 302371. 302371 take away the answer. You will have the answer for June 30 and December 31. You will have to plus them all together to get the bond.
Answer: B: By digging snow tunnels from their shelters to the tunnel and D:By relying on lamps to light the tunnels where they lived and worked
Explanation: