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Biology, 22.06.2019 15:00
If you relate the doppler effect on sound to the color of light waves, a police car would be the color as it approaches and the color as it recedes away from the observer.
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Biology, 22.06.2019 15:30
Por qué crees que los huevos con cáscara se llaman amnióticos?
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Biology, 22.06.2019 21:30
Technology can bring both good and bad things. pesticides can make crops more resistant to insects (good) but can harm humans if they are used improperly (bad). give examples of both the good and bad
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How do the urinary and circulatory systems interact to maintain homeostasis in humans?...
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Mathematics, 23.04.2020 03:38
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