1. what shape are gases?
- fixed shape
- fill container
- fits container
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Other questions in this quiz
2. what electromagnetic wave has the highest frequency?
- visible light
3. Can energy be created or destroyed?
4. the angle of incidence..
- is equal to angle of reflection
- is greater than angle of reflection
- is smaller than angle of reflection
5. do electromagnetic waves all travel at different speeds in a vacuum?