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-...
From what I've gathered, this is how the whole thing works... if you are a 'frequent' user, (daily-weekly), it can take 2-3 weeks but up to a month (possibly 45 days or more iâ¦f you're a heavy user) to get THC out of your system..