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Ever wonder what makes up the air around you? In this BrainPOP movie, Tim and Moby teach you all about the invisible gas that supports life on Earth. You’ll learn what the major gases of the atmosphere are, and how our atmosphere is divided into different layers. Take a ride to the top to see just how many layers there are, and what makes each one unique. Watch and learn what the layer down at the surface of the planet is called. Discover where ozone is located, and how it helps protect life down below! Finally, if you didn’t already know, Tim will tell you the truth about why the sky is blue!