Answer:
Create an air gap to prevent backflow.
Explanation:
An air gap prevents contamination of the water because it creates a space between the water outlet and a contaminated source. So, if there is, for example, a decrease in the pressure that pumps the water to the faucet, the water the air gap will prevent the contamination of potable water and the cause of different illnesses.
<span>Inhalants are addictive, and may cause immediate brain damage, constipation and nausea. While amphetamines do not cause any such harm. Amphetamines are used as a stimulant of the central nervous system.</span>
Answer:
no the firemen stopped doing that because thats how diseases are spread so the use this air tube thing, i don't know all the details but im pretty sure you can google it. Hope that helps :)
Explanation:
Answer:Your muscles will be weak and Your eyes Will be tired and probability to have bad eyesight is really high
Explanation:
If You dont exercise Do something else Than Play games Ur Muscles Get weak They wont be Used to exercise And Ur eyesight To much exposure to screen can make ur eyesight Go poor. Hope This Helps! :)