Question

why wasnt the theory of continental drift accepted at first?
wind and currents could move fossils
no known mechanism
correct answer: both of these
none of these
both of these

Explanation:

The theory of continental drift, proposed by Alfred Wegener, was initially rejected primarily because there was no known mechanism to explain how continents could move across the Earth's surface. While other objections existed, the lack of a plausible driving force was a key barrier to acceptance.

Answer:

B. no known mechanism