The time units used by scientists to divide earth's history are part of the
a. geologic time scale.
b. 360° latitude.
c. 24-hour model.
d. 180° longitude.

How did industrial production improvements impact export-dependent areas of the world during the great depression?   a.  demand for certain raw materials rose.      b.  demand for certain raw materials fell.      c.  the new technology was exported to most raw material producing nations.      d.  there was a decrease in tariffs.

If one thinks illegal immigrants should become american citizens, should they become american citizens automatically or should there be a waiting period? if there should be a waiting period, explain why.

Many young people traveled by train out of the midwest in search of new opportunities during the 1930s. what term is used to describe their actions