Why did dinosaurs become extinct?

Asteroid Theory

acording to this

An asteroid collided Earth

Scientist think

That the asteroid threw so much dust to the air that sunlight wouldn't be able to shine plants and animals would die

Volcanic Activity

What happened?

The volcanic activity increase 65 million years ago, the activity could have pumped ash into the air blocking out the sun killing dinosaurs.

Ice Age

have been many ice ages

The last one ended 10,000 years ago

What happened?

A very severe ice age could have changed temperatures and frozen a lot of water.

Disease

Is belived

a very deadly and contagious disease circulated around the dinosaurs forcing them to became extinct.

Gradually changed in Climate

What happened?

The climate started changing, and dinosaurs weren't able to adapt every time the climate changed.