during the Great Depression how long would it be accurate until another one happened or how long did the Great Depression last

How did german physicist werner heisenberg's uncertainty principle shake beliefs in newtonian physics?

Historians believe that animals drawn in cave paintings during the paleolithic era could have represented each of the following except a a. successful hunt b. domesticated pet c. god that was worshipped d. way to obtain an animal's spirit select the best answer from the choices provided

What primary benefit did theodore roosevelt’s see in digging a canal through panama?