It is believed that the two main reasons for mass extinctions in Earth's history have been
A) collision between Earth and a large celestial body and human intervention.
B) global warming and human intervention.
C) human intervention and shifting of Earth's continents.
D) global warming and shifting of Earth's continents.
E) collision between Earth and a large celestial body and shifting of Earth's continents.

Question

Quizplus · Accepted Answer

Impacts of smaller extraterrestrial bodies and shifting continents leading to loss of habitat and changed climate have been responsible for the mass extinctions in the history of life on Earth.

It Is Believed That the Two Main Reasons for Mass