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.
Frame it in Hindi & Enlarge it. Pollution means any contamination of air, soil, water and environment. Why, even loud noise and sound is also a part of pollution. Air pollution â Harmful gases and tiny particles (like carbon monoxide, nitrogen dioxide and sulphur dioxide) when released into the air pollute the air.