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If there were no animals on Earth that could fly, would humans have ever invented airplanes?
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# ¿ Jun 30, 2019 16:16 |
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# ¿ May 18, 2024 18:25 |
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If there were no animals on Earth that could fly, would humans have ever invented airplanes?
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# ¿ Jun 30, 2019 16:16 |
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# ¿ May 18, 2024 18:25 |