18. what is the main source of light on earth?
A. light bulbs.
B. candles.
C. sun.
D. vibration.
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18. what is the main source of light on earth?
A. light bulbs.
B. candles.
C. sun.
D. vibration.
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Answer:
18.)C.sun
Explanation:
On Earth, the main source of natural light is the Sun. The Sun makes its light when atoms smash together inside it, releasing huge amounts of energy. It fires off the energy into space in all directions. Some of the radiation travels to Earth as the light and heat we know as sunlight.
Answer:
18. what is the main source of light on earth?
A. light bulbs.
B. candles.
C. sun.
D. vibration.
Explanation:
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