What is air pollution, what is it caused by and why is it dangerous?, Air pollution is the contamination of the air by smoke and harmful gases such as carbon dioxide, sulphur and nitrogen. It is mainly caused by exhaust fumes from vehicles, the burning of fossil fuels, industrial emissions and radiation spills from nuclear accidents. Burning plastic, wood and rubber also pollutes the air. Air pollution is dangerous because it can cause asthma, allergies and other respiratory diseases, and it seriously harms human health, What do you know about radioactive pollution?, Radioactive pollution occurs when radioactive materials release dangerous radiation into the environment. It can be caused by the improper dumping of radioactive waste, nuclear power plant accidents or damaged nuclear reactors. Radioactive contamination can last for decades and may cause cancer and other mutative diseases, Can you think of an example of it?, One well-known example of radioactive pollution is the Chernobyl nuclear disaster in 1986. Another example is the Fukushima nuclear accident in Japan in 2011, What causes water contamination?, Water contamination is caused by raw sewage flowing into rivers, lakes and seas, as well as industrial waste spills and chemicals contaminating groundwater. Oil spills and dumping waste into natural waters also contribute to water pollution, What can be done to stop it?, To reduce water pollution, people should avoid dumping contaminants into rivers and lakes. Governments can introduce stricter environmental laws and build water treatment plants to clean polluted water. Recycling and reducing industrial waste can also help, What is land pollution?, Land pollution is the degradation of the Earth’s surface caused by littering, illegal dumping, industrial waste, oil spills and nuclear accidents. It is mainly the result of the improper disposal of waste and the misuse of natural resources, What is soil pollution and what are its possible consequences?, Soil pollution is caused by pesticides, insecticides and other harmful farming chemicals that damage the soil and make it unsuitable for growing plants. Toxic substances such as lead and mercury can also contaminate the soil. Soil pollution may cause cancer, neurological disorders, skin diseases and damage to the liver and kidneys. It can also affect plants, animals and human health through the food chain.

Pollution question-answer flashcards

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