Explanation:
The plastic movement of the mantle material moves like the flow of mountain glaciers, carrying the lithospheric plates along as the convection movement in the mantle moves the asthenosphere.
Dr. Smith is conducting a longitudinal case where it is a case being done in a same manner over a long period of time. It could be seen above as Dr. Smith has instructed his representatives to go back every five years to conduct the same measurement in a course of a long period which is until they are sixty years old which could be classified as the longitudinal case.
I believe it’s false. Sorry if I’m wrong !
Answer:
25%
Explanation:
during the great depression of the 1930s, the unemployment rate reached more than 1/4 (25%) of the labor force.