Clorofluorocarbons or freons diffuse into the upper
Problem- Chlorofluorocarbons, or freons, diffuse into the upper atmosphere. There, ultraviolet light indicated a radical chain reaction that has been shown to cause extreme damage to________.
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problem- chlorofluorocarbons or freons diffuse into the upper atmosphere there ultraviolet light indicated a radical
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problem- liquid sodium is being considered as an engine coolant how many grams liquid sodium minimum are needed to
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