Chemistry, 02.08.2019 19:30 emmacox069
What negative impact did chemistry have on society through the production and use of chlorofluorocarbons (cfcs)? a. hazardous coolants in refrigeration units were replaced. b. better refrigeration reduced loss of food through spoilage. c. lower levels of ozone allowed more ultraviolet radiation to reach earth. d. fire safety improved through the use of fire extinguishers.
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Nonpoint source pollution is difficult to control because it
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Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what most likelyhappened? energy was created inside the blocks.energy was destroyed inside the blocks.energy was absorbed into the blocks from outside the system.energy was transferred from the warmer block to the cooler block.
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Which of the following words describe the reality that the universe looks the same from various perspective
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Which characteristics affect ocean water’s temperature? check all that apply. depth location mass salinity waves
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What negative impact did chemistry have on society through the production and use of chlorofluorocar...
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