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water pollution

             Water pollution is one of the world's worst forms of pollution. For example, take a look at a glass of water. It may appear clear, but there are really millions of microscopic pollutants floating in it. Approximately 70% of the earth's surface are covered by water; water is a very dynamic system, any change in its normal content could affect local, regional, and eventually worldwide water.
             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 along the food chain and can cause various problems. Toxic wastes come from leakage of landfills, dumps, old mines, and farms. Sewage and Industrial wastes introduce chemical pollutants like PCB, DDT, and Sevin.
             Don't think that humans have nothing to do with water pollution. You would not believe some of the things found in the ocean. Here are a few examples of trash found in the oceans:.
             1. Syringes, with all the various diseases going around that can be passed by needles that is a scary though.
             2. Laboratory rats.
             3. Human stomach lining.
             4. Navy decontamination kits.
             5. Test tubes filled with various substances some even with radioactive markings on them.
             Those are just a few things that are found in the ocean every day.

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