Fill in the blanks to complete each statement about continental drift. Continental drift was first proposed by a scientist named Alfred
. He theorized that the
were once one large landmass that drifted apart very slowly over a long time.

Why are constitutions, both federal and state, necessary for our government?

What battle in the civil war was known as the bloodiest war ?

Which of the following accurately describes the workforces of the united states and canada? a. most of the workforce in the united states and canada is employed in the service industry. b. most of the workforce in the united states and canada is employed in the educational field. c. most of the workforce in the united states and canada is employed in manufacturing and mining. d. most of the workforce in the united states and canada is employed in agriculture.