Large meteoroids are thought to collide with Earth:
A)at least once a decade.
B)about once a century.
C)a few times in every million-year period.
D)once every billion years.
E)never; only comets are thought to collide with Earth.

Question

Quizplus · Accepted Answer

Large meteoroids are thought to collide with Earth a few times in every million-year period. This is based on the frequency of impact craters found on Earth, as well as the known population of near-Earth objects.

Large Meteoroids Are Thought to Collide with Earth