Marine biologists are concerned about the effects of untreated sewage into coastal waters.

BÀI TẬP LIÊN QUAN

•   Do .you know when automobiles were invented?
•   It is automobiles that provide millions of people with transportation.
•  Large amounts of dangerous waste are daily by the factory.
•  The oil slick seriously threatens life around the islands.
•  The pollution problem is very complicated to solve.
•  Scientists and engineers can work to find ways to lessen the amount of pollution.
•  Polluted water kills fish and other marine life.
• is somethin^hat human beings can never avoid.
•  Factories give but cause pollution.
•   It is a legal that producers have to deal with the waste form their factories.
•  Our life quite depends on environment.
•  Without air and water, living things could not survive.
•  Many countries do not have enough land available growing food.
• Pollution can be gradually reduced several ways.
•   The city’s streets are filthy and choked with exhaust cars.
•  Exposure to pollution can cause many serious illnesses to death.
•  Garbage releases clouds of toxic smoke very harmful to our health.
• At last they could find the pipe dangerous chemicals into the water.
•  A survey_ last year showed that there was a link between asthma and pollution.
•   Among the world’s first industrialized countries, the United Kingdom has also been the first air pollution.
•    Water power is one of the ways pollution.
•  The oil into the sea seriously harms a lot of marine animals.
• They buried thousands of fish__ by poisonous chemicals from a nearby factoiy.
•  Cancer .is also an illness by pollution.