Alfred Wegener's theory of continental drift was not well accepted because he could not say what
force could be big enough for the continents to move. Current theories explain this movement
with
a. subduction zones at continental margins
b. hot spots forming under continents
c. magnetic reversals of the north and south poles
d. convection currents in the mantle

Which statement best explains how world war ii to end the great depression? a. new job opportunities opened as the united states produced more military products. b. the u.s. army provided new jobs that paid better than any other work at the time. c. people had to worry more about war problems than about the economic crisis. d. the war caused people to trust the economy enough to spend more money.

What makes water a renewable source

For what reason might an inmate be granted a furlough