How were soldiers affected by the new weapons technology of the 20th century?

an expansion is one of two basic business cycle phases; the other is contraction. the transition from expansion to contraction is a peak, and the changeover from contraction to expansion is a trough.

answer; i believe the correct answer is (the willamete valley);

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.

i believe the correct answer is b.