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

Question

Ryker Huerta

History

9 August, 06:47

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

+5

Answers (1)

Know the Answer?

Isaias Greene · Answer 1

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.

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 earthb. increased competition from mammalsc. rapid growth of forests on land surfacesd. glaciation

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