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why can technicians only charge used cfc, hcfc, or hfc refrigerant back into the evacuated appliance or into another appliance owned by the same owner
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The fact that the total amount of energy in a system remains constant is a(n)
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Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.
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why can technicians only charge used cfc, hcfc, or hfc refrigerant back into the evacuated appliance...
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