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3 Cards in this Set
- Front
- Back
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What are the 4 main components of air? |
1. ___________________ 2. ___________________ 3. ___________________ 4. ___________________ |
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What percent make up the 4 main components of air? |
1. Nitrogen _____% 2. Oxygen _____% 3. Argon _____% 4. Carbon Dioxide _____% |
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(Circle the correct answer) Air presses on all things... |
1. Up 2. Down 3. Sideways 4. In all directions |
