Marijuana will show up within a few minutes of using it.
It takes about 6 or 8 hours after use for the drug to be metabolized sufficiently for detection in urine.
One day or less.
30 days
a month
2 years....
two weeks it depens
Yes.
The most common drugs which can be detected on a drug test are; marijuana, cocaine, PCP, amphetamines and opiates.
Depends on the drug and the type of test.
if you're talking about a hair strand drug test, my understanding is that marijuana can be detected in the strands of your hair for about a year.
Usually Seven to ten days.
Up to 30 days
It cannot be detected in any drug screening. :) There is no test that can detect it.
Sure. THC the main ingredient in MJ can be detected in any kind of test - hair, saliva, urine, blood. This is the most recognizable drug and it's stays longer than any other drug in your system.
It is only detectable in this form for 14 hours after taking the drug - 24 maximum.
Pretty much anything can be detected in a drug test.