_____23. Will sweating help cool you down when the humidity is 100%?

What gas makes up the majority of the air we inhale?

What gas makes up the majority of the air we exhale?

Dry air is _________% nitrogen and _________% oxygen.

Why is it important to have ozone in earth’s air?

What would happen to life on the earth if all the greenhouse gases such as carbon dioxide were removed and why?

What are the layers of the homosphere in order from bottom to top?

A liquid that is hot will move ______________than a cold liquid.

Is the ozone hole a problem?

Is helium found in the homosphere or heterosphere?

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