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Questions and Answers
Which of the following is a natural source of light?
Which of the following is a natural source of light?
- Fireflies (correct)
- Lasers
- Candles
- Light bulbs
What is light?
What is light?
- A form of energy that moves in curved lines
- A form of matter that moves in curved lines
- A form of matter that moves in straight lines
- A form of energy that moves in straight lines (correct)
What is the main source of light during the day?
What is the main source of light during the day?
- Light bulbs
- Stars
- Lava from volcanoes
- The sun (correct)
What did people use to provide light before light bulbs were invented?
What did people use to provide light before light bulbs were invented?
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What can some high-powered laser beams cause?
What can some high-powered laser beams cause?
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