Cancer may spread to the head and neck from other parts of the body and cause oral pain. With some cancers, pain may be felt in parts of the body not near the cancer. This is called referred pain.
Soil erosion. If you define land pollution as irreversible damage to the land, you have to include soil erosion as a type of pollution too. Many people think soil is soil, always there, never changing, ever ready to grow whatever crops we choose to bury in it.
1. The act or process of polluting or the state of being polluted, especially the contamination of soil, water, or the atmosphere by the discharge of harmful substances. 2. Something that pollutes; a pollutant or a group of pollutants: Pollution in the air reduced the visibility near the airport.(pÉËluËÊÉn).ollution. When there is pollution, the water or air in a place is dirty, impure, and dangerous, usually because poisonous chemicals have got into it. ...changes in the climate due to pollution of the atmosphere. Pollution is an uncount noun.