Question

The scientific community was slow to accept the asteroid impact hypothesis. Why?

A. Most global extinctions were thought to occur as a result of supernovas.
B. Foraminifera appear on both sides of the K-T boundary.
C. Dinosaur fossil evidence contradicted the asteroid hypothesis.
D.At the time, most geologists thought that Earth's systems changed gradually and not rapidly from major catastrophic events.

Answer 1

D.At the time, most geologists thought that Earth's systems changed gradually and not rapidly from major catastrophic events.