About 14-21 days. Marijuana is a fat soliuble drug which means that it stays in your fat cells. If it were water soluible it would be out of your system in 2 days because of hydrating yourself. Since your body gets rid of and takes on new fat about every 3 weeks that when weed will be out of your system. it always depends on your weight though. If your skinny with not a lot of fat then it wont be that long. If your really fat and have more fat then it will take longer
None!
It depends on the type of drug test. It also depends on how much you smoked before you stopped, and how much body fat you have.
40 percent
No, you must smoke it for it to be stuck in your hair.
3wks
A blunt is marijuana that is rolled in a tobacco leaf or cigar wrapping and smoked. Passing refers to sharing blunts and joints with others. While blunts and joints can be smoked alone, people who smoke those often will share one with others and pass it around.
If THC has shown up, they either smoked it or was around others who smoked it. Other drugs do not make the tests come back positive for marijuana.
Yes It Can
Marijuana is sometimes smoked with tobacco.
The flower buds of the marijuana plant are typically smoked for their psychoactive effects.
Sometimes, phenylcyclohexylpiperidine (PCP or angeldust) is smoked in combination with marijuana. PCP is a very strong and potentially dangerous hallucinogen.
Everywhere in the US, even more common in Canada. Something around 50% of adults have smoked marijuana before in the US and there are many who still do.