Oil is one of the world's biggest pollutants; oil is usually spilled or leaked from land or rivers and flows from them to the sea or ocean. The more direct form of oil pollution is when ships transporting oil leaks or the ship crashes. Oil can also ruin shores it can was up on them and become tar like lumps; some coat fur of animals and can effect their heating system. Also some oil can find its way into other sources causing hazardous water to be consumed. In some extreme cases, rivers, lakes, and wells have been known to ignite.

Air pollution is also a worldwide polluter. Air pollution mainly comes from cars and industries. There are particles called hydrocarbons that settle or are washed down by rain from the air to the ocean.

Toxic wastes are probably the most harmful forms of pollutants. A toxic waste can be quickly passed

The effect of water pollution depends on the type and amount of contamination, the time of exposure, and what the water was like before the pollution. An estuary is a deep and wide channel to the sea. Estuaries are flushed easily by the sea's tide and can cope with more pollution. Some signs of water pollution is some algae may die causing the marine life to starve and move to other streams or lakes there have been many lakes that are now classified as dead lakes.

Things you can do to help prevent or slow down water pollution. Use treatment of wastewater to make water reusable and of high quality. To enforce government regulations prohibiting and limiting pollution of water and to develop practices and techniques that will prevent or limit the natural runoff of pollutants. Maintain systems to declare areas to minimize litter and algae. Clean up small-scale oil spills witch threaten the waterways, and help other services to clean up hazardous chemical spills by providing advice or materials.

In the United States, control over water pollution has come around in the 20th century. States only in latter years started taking active part in making laws and procedures for water pollution control. The first federal law concerning pollution was the 1899 Rivers and Harbor act, The 1965 Water Quality Act, the 1966 Clean Water Restoration Act, and the 1987 Clean Water Act. The federal government has slowly established criteria for all interstate and coastal waters, and provided for enforcement of laws against pollution.

Those are just a few things that are found in the ocean every day. Can you imagine swimming in the ocean and walking out with any one of those items in you

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