The theory of continental drift was revived, expanded, and put into its present form ________.
A) last year
B) in the 1960s
C) in the 1910s
D) in the 1800s
E) in the 1700s

Question

Quizplus · Accepted Answer

The theory of continental drift was first proposed by Alfred Wegener in the early 1900s, but it was not widely accepted until the 1960s when new evidence emerged from studies of seafloor spreading and plate tectonics. Therefore, the best choice is B) in the 1960s.

The Theory of Continental Drift Was Revived, Expanded, and Put