finite arable land. Soil pollution occurs when the presence of toxic chemicals, pollutants or contaminants in the soil is in high enough concentrations to be of risk to plants, wildlife, humans and of course, the soil itself. Arable land is turning to desert and becoming non
Marijuana (thc) will be present in your blood for approximately 2 to 3 days after you have used it. It may be remain in your bloodstream past 2 to 3 weeks if you are a frequent and heavy user. Source(s): http://wiki4weed.com/how-long-does-weed-...
RE: How long does THC stay in your hair? My bf took a drug test and instead of a piss test they took a hair sample. Would the THC still be in his hair if he gets hair cuts every so often n washed his hair everyday and hasn't smoked in like 3...