The Atmosphere
Premium Members save an extra 10% and all Members collect stamps to save with Rewards. 10 stamps = $5. Learn More
The atmosphere is the part of Earth that contains the air we breathe. It extends 60 miles (97 km) above the surface of Earth and is made up of different gas molecules. (Molecules and atoms are defined.) The atmosphere is made up of nitrogen, oxygen, argon, carbon dioxide, and water vapor gases as well as small amounts of other gases. When you breathe, all the gases in the air go into your lungs. Your body uses the oxygen, and the other gases just go in and out of your lungs. Special cells i...













![Frog and Toad: 4 Classic Stories of Friendship: All 4 Books From the Classic Animal Friendship and Adventure Series in 1 Paperback, Great for Growing Reading Skills and Early Literacy Development for Kids [ages 4-8]; Value Price!](https://cdn.shopify.com/s/files/1/0674/5433/7265/files/9780063442405_p0.jpg?v=1765254198&width=100&height=150&crop=center)








