Question

scientists think we are experiencing a 6th mass extinction. what is causing it? an asteroid a volcano an ice age humans rewatch

Explanation:

The 6th mass extinction is primarily caused by human activities such as habitat destruction, climate change, overexploitation of species, pollution, and introduction of invasive species. Asteroids, volcanoes, and ice ages were causes of previous mass extinctions (like the K - Pg extinction from an asteroid, some past extinctions from volcanic activity or ice ages), but the current one is driven by humans.

Answer:

D. Humans (assuming the last option is "Humans" with the checkbox, as the text shows "Humans" as an option)