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Questions and Answers
What is the main source of light referred to in the text?
Which of the following is NOT mentioned as a natural source of light in the text?
What celestial body does not have its own light according to the text?
Which of the following is NOT an artificial source of light according to the text?
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What is a tool for starting a fire when ignited according to the text?
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What do food plants need sunlight for according to the text?
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Which insect is active during the nighttime and produces light from its tail?
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Which man-made source of light involves a central wick being lit to produce light?
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