Which of the following is a method of purifying water? A. Freezing B. Combustion C. Fixation D. Aeration
Aeration is a method of purifying water.
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Updated 4/13/2020 4:38:45 AM
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12. A temperature of 20 C is equivalent to approximately A. 68 F. B. 6 F. C. 32 F. D. 136 F.
Weegy: A temperature of 20°C is equivalent to approximately 68°F. (More)
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Convert the temperature 288 K to degrees Celsius. A. 15 C B. 561 C C. 172 C D. 748 C
Weegy: The temperature 288 K to degrees Celsius is 15C. (More)
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Updated 7/13/2020 11:35:00 AM
21. The density of water is the greatest at a temperature of A. 4 K. B. 273 K. C. 277 K. D. 0 K.
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Which gas law states that the pressure of a gas decreases when volume is increased and the temperature is unchanged? A. The General Gas Law B. The Law of Cubic Expansion C. Boyle's Law D. Charles' Law
Weegy: Boyle's Law states that the pressure of a gas decreases when volume is increased and the temperature is unchanged. (More)
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Updated 10/14/2018 11:54:21 PM
If a source of sound waves is rapidly approaching a person, the sound heard by the person appears to have A. a pitch lower than the original pitch. B. a period higher than the original period. C. an amplitude lower than the original amplitude. D. a frequency higher than the original frequency.
Weegy: If a source of sound waves is rapidly approaching a person, the sound heard by the person appears to have a pitch lower than the original pitch. (More)
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Updated 128 days ago|3/21/2021 3:35:26 AM
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