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.
The smokestacks of chemical plants send pollution into the air. age fotostock/SuperStock. Pollution happens when the environment is contaminated, or dirtied, by waste, chemicals, and other harmful substances. There are three main forms of pollution: air, water, and land.pollution... (75 of 1471 words).ollution happens when the environment is contaminated, or dirtied, by waste, chemicals, and other harmful substances. There are three main forms of pollution: air, water, and land. pollution... (75 of 1471 words).