contestada

The Cretaceous-Tertiary extinction, the most famous of all the Big Five, has been attributed to what major event that triggered the fall of the dinosaurs?

a.an asteroid hitting the earth
b.increased competition from mammals
c.rapid growth of forests on land surfaces
d.glaciation

Respuesta :

Rifen13
A. It has been attributed to an asteroid hitting the earth and blocking out the sunlight. This is also said to have caused an ice age because the suns rays could not reach the earth to warm it up.