Question

1. what function does carbon dioxide play in earths atmosphere? a. it provides gas for humans to breathe. b. it provides a high level of protection from the suns radiation. c. it keeps earth warm through the greenhouse effect. d. it provides liquids for animals to drink.

Explanation:

Carbon - dioxide is a greenhouse gas. It traps heat in the Earth's atmosphere, contributing to the greenhouse effect and keeping the planet warm. Humans breathe oxygen, not carbon - dioxide. Ozone provides protection from the sun's radiation, not carbon - dioxide. Carbon - dioxide is a gas and does not provide liquids for animals to drink.

Answer:

C. It keeps Earth warm through the greenhouse effect.