The Impact of a Large Meteorite with Earth Would Have

Question

The impact of a large meteorite with Earth would have most likely caused mass extinctions by
A) creating large clouds of dust that blocked out sunlight.
B) creating large clouds of dust that blocked out sunlight and destroying plant life.
C) causing a great prolonged rise in the earth's temperature and destroying plant life.
D) causing a great prolonged rise in the earth's temperature.
E) destroying plant life on earth.

Accepted Answer

A large meteorite impact would create a large cloud of dust that could block out sunlight, which could in turn destroy plant life. This destruction of plant life could then cause mass extinctions, as many animals rely on plants for food and habitat. Therefore, choice B is the best answer.