Question

Select all of the answers that apply. Which of the following are examples of the effects of living things on the atmosphere and climate? outgassing of volcanoes the buildup of oxygen in the atmosphere mass extinctions changes in levels of carbon dioxide

Answer 1

-The buildup of oxygen in the atmosphere.

-Changes in levels of Carbon Dioxide.

hope this helps!

Answer 2

The answers should be both:

- the buildup of oxygen in the atmosphere

-changes in levels of carbon dioxide