Give at least two gases in the atmosphere that you need to survive. Describe an example of why you need these gases to survive. (10pts)

You need carbon dioxide and oxygen because you need oxygen to breath and plants depend on carbon dioxide without it we would have plants and without plants we wouldn’t have food.

They formed the oceans.  as they melted water was formed and the water made the oceans

Gases enter the atmosphere and trap the sun's heat warning the earth.