$A$ - Smoking is associated with increased incidence of cancer of lung
$R$ - It increase $CO$ content in blood and reduce the concentration of haembound oxygen
$A$ - Smoking is associated with increased incidence of cancer of lung
$R$ - It increase $CO$ content in blood and reduce the concentration of haembound oxygen
- A
$A$ and $R$ both true
- B
$A$ and $R$ both false
- C
$A$ true, $R$ false
- D
$A$ false, $R$ true
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