Answer:
The correct answer is option C. Prevent the body from absorbing the oxygen.
Explanation:
An asphyxiant is a vapor or gas that can result in death or unconsciousness due to suffocation. Such suffocation is termed as asphyxiation.
It takes place because of very less oxygen present in air or vapor which prevent the individual body to absorb oxygen. Major asphyxiants are nitrogen, hilum, propane, methane and carbon dioxide.
This, the correct answer is option c.
