How Do Scientists Believe That an Asteroid Impact in the Yucatán

Multiple Choice

How do scientists believe that an asteroid impact in the Yucatán peninsula of Central America caused a worldwide mass extinction?

A) by blocking the sun and inhibiting photosynthesis
B) by using up all of the oxygen in the atmosphere
C) most of the animals in the world were in the tropics of Central America
D) by causing massive floods
E) by heating up the planet