Answer: <u><em>The child of a smoker</em></u> is at risk from exposure to secondhand smoke.
Explanation:
Many scientific articles have been written based on research done over the years. Many of these articles state that if a person was introduced to second hand smoke before the age of 25, are the ones most likely to get cancer or other respiratory diseases. Many of these people were exposed since birth.
Answer:
Types:
Pit latrine.
Trench latrine.
Aqua privy.
Most basic.
Explanation: The Sulabh toilet is a twin-pit system that composts waste on-site. The two leach pits retain solid matter and allow the liquid to leach and gases to disperse into the ground. Once one pit is filled, waste is diverted to the second pit. This dual-system allows adequate time for the waste to decompose into fertilizer.
Because at some point our organs get tired and weak from all the years of pumping and circulation etc. so at some point our bodies just can't do that forever...