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[A]: In low degree smoking is helpful [R]: In low doses, nicotine stimulates con- duction of nerves impulses & relaxes the musclesA. If both A and R are true and R is the correct explanation of AB. If both A and R are true but R is not the correct explanation of AC. If A is true and R is falseD. If both A and R are false

Answer» Correct Answer - A


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