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-...
THC and other major chemical compounds in Marijuana (like THB) are fat soluble and stored in the bodyâs fatty tissue. Hence you canât âwash it outâ. For regular users THC can be detected in the blood up to 7 days. In hair samples it can be detected up to 90 days. In urine 24â48 hours.