Environmental problems Dmitrieva Alina Kochetova Ekaterina Form 8V

pollution of the seas and oceans We chose this topic because I believe that the pollution of the seas and oceans brings the greatest losses among animals It is estimated that every year with the rain in the seas and oceans gets 50,000 tons of lead and oil. Among the most harmful chemicals are oil and oil products. Due to increased production, transportation, processing and consumption of oil, the increasing pollution of nature For marine oil is a kind of drug. It is observed that some fish "drank some" once the oil already do not seek to leave the poisoned area. Oil pollution is a terrible factor affecting the life of the entire world ocean.

the first who fall into the trap. The first victims of oil pollution are birds. Their plumage when they sit on the surface of the water clouded with a film of oil, lose their insulating properties. Soon the bird dies as a result of hemorrhage and disorders caused by impaired thermoregulation. But not only birds suffer from the action of oil, as the oil film prevents oxygen saturation, stops living organisms, including plankton. In addition, some components of the oil act as these poisons on marine invertebrates, especially crustaceans and even fish.

danger to humans Contained in the wastewater harmful organisms multiply in shellfish and causes numerous diseases. The most common bacterium E. coli is an indicator of infection. These chemicals leach from the soil and into the sea where they penetrate into the tissues of living organisms. Fish can eat both people and fish. The fish then eat the seals, and they in turn become food for some species of whales or polar bears. Every time when chemicals are transferred from one level of the food chain to another, their concentration increases. Unsuspecting white bear, eat a dozen seals, absorbs them together with the toxins contained in tens of thousands of infected fish.

pollution of the seas and oceans. We believe that every person should understand that he is the cause of the destruction of nature. but in the 21st century people think only about money and not about their future life. they do not think that any dirt can turn our planet into a huge trash they have to rake. it is necessary to drain as much oil into the seas and oceans. allocate special places for this. and my dream is that in the future we lived in an eco city, where all travelled on bicycles or in cars without fuel.

Protect the nature