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| Fact: |
A ear trumpet was used before the hearing aid was invented by people who had difficulty hearing.
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A flea can jump 150 times its size. That is the same as a person able to jump up 1,000 feet in the air.
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A galactic year is 250 million Earth-years. This is the time it takes for our solar system to make one revolution around the Milky Way Galaxy. |
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| Fact: |
A galactic year is 250 million Earth-years. This is the time it takes for our solar system to make one revolution around the Milky Way Galaxy. |
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