Everyday Science
Chlorofluorocarbons (CFC) are used in which of the following products:
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Hybrids available for commercial production:
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Sunspots discovered by?
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Curie unit?
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Which gas is predominantly responsible for global warming?
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AIDS spreads by:
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Lead Pencil is made up of:
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Water at 32 Fahrenheit and boils at 212
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Ozone composition _________
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