Which of the following statements are true about air? 1. Air can be compressed (pushed into a smaller space) 2. Air has mass 3. Air takes up space. 4. Air does not have weight. 5. Air is a mixture of oxygen, nitrogen, and other gases. 6. Air pressure is greatest on the top of a mountain.
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Which of the following statements are true about air?
1. Air can be compressed (pushed into a small...
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