Question

how many mass extinctions have there been?
3
4
5
2
rewatch

Explanation:

In the field of paleontology and Earth science (under Natural Science, specifically Biology - related to evolution and extinction events), the widely accepted number of major mass extinctions in Earth's history is 5. These include events like the Permian - Triassic extinction, Cretaceous - Paleogene extinction, etc.

Answer:

5 (the option with the number 5, assuming the options are presented as checkboxes with 3, 4, 5, 2; the correct one is the checkbox next to 5)