Question

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.

Answer 1

Continental drift was first proposed by a scientist named Alfred Wegener. He theorized that the continents were once one large landmass (called Pangaea) that drifted apart very slowly over a long time.