Mass Extinctions

4.6 billions years

2020 years

4 million years

400 million years.

billions of years ago

65 millions years ago

2020, when Jurassic World came out and Chris Pratt was able to put an end to it once and for all

2-4 million years ago

Dinosaurs were friendly towards humans

Humans were friendly towards dinosaurs.

That dinosaurs and humans lived at the same time. They did not.

Fires

Asteroid

Volcanoes

Starvation

All of the above

10-12 km (6 miles)

100 feet

50 meters

A great deal of tectonic activity causing numerous volcanic eruptions

The dinosaurs were running out of food, they had exceeded the carrying capacity of the Earth by eating too much.

All of the above