How Long Do Drugs Stay In Your System? How Long Do Drugs Stay In Your System? Drug Detection Times indicate a point in time in which drug testing can reveal the presence of the drug metabolites in your urine, hair or saliva. This includes the time from when the drug can first be detected to the point in time when you will test clean.
Main types of pollution 3: Land Pollution. Land pollution is another of the main types of pollution to the environment. Land pollution is mainly about the contamination and degradation of Earthâs land surfaces.ain types of pollution 2: Water Pollution. Water pollution is another one of the main types of pollution of the environment. Water pollution could be in the form of any change in the physical, chemical and biological properties of water which has a harmful effect on living things.
Types Of Air Pollution. Air pollution is one of the major problems of the present world. There are so many causes that can pollute the air completely and spread different types of dangerous diseases. On the basis of the different causes of air pollution it can be distinguished into different types.Mainly the type of the air pollution depends on some of the natural resources and most of them are composed of natural sources.ome types of air pollution are as follows. Smog: The first type of the air pollution is the smog. It is defined as when the smoke present in the atmosphere after emitting from different sources is combined with the fog present in the air, a mixture formed that is referred to as smog.