Question

scientists believe that some mass extinction events are possibly caused by asteroids, volcanic activity, or climate change. how many mass extinctions have occurred on earth in the last 4.6 billion years? 0 1 5 10

Explanation:

Based on the knowledge of Earth's geological and biological history, there have been well - documented five major mass extinction events. These include the Ordovician - Silurian extinction, the Late Devonian extinction, the Permian - Triassic extinction (the "Great Dying"), the Triassic - Jurassic extinction, and the Cretaceous - Paleogene extinction (which led to the extinction of non - avian dinosaurs).

Answer:

C. 5