Question

The last "hot house" or period of increased temperature occurred _____.

a. during the time of the dinosaurs
b. during the time of modern humans
c. when there was no life on Earth
d. when cyanobacteria added oxygen to the atmosphere

Answer 1

The correct answer is option A

The temperature on the earth increased most during the Mesozoic era when an asteroid wiped off the dinosaur and mass extinction of animals took place at that time. The temperature of the the earth suddenly increased at that time due to crashing of asteroid on earth and led to the destruction of animals from the earth.