OBJECTIVE FORESTRY

Detailed explanation-1: -Pollution is the introduction of harmful materials into the environment. These harmful materials are called pollutants.

Detailed explanation-2: -The addition or removal of constituents from soil, changing it’s natural composition is called soil pollution.

Detailed explanation-3: -Air pollution consists of chemicals or particles in the air that can harm the health of humans, animals, and plants.

Detailed explanation-4: -Air Pollution is defined as the presence of substances in the atmosphere that have a harmful effect on human health as well as the health of other living organisms. Water Pollution is defined as the contamination of bodies of water usually as a result of human activities.

Detailed explanation-5: -Water and soil pollutants represent two major categories of environmental pollution [1]. Water-and soil-polluting substances are often due to man-made wastes such as household garbage, manufacturing and agricultural wastes, fertilizers used by farmers, oil spills, and radioactive materials [1, 2, 3].