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People today are exposed to various air pollution. Therefore, they are affected by the harmful effects of pollutants in the air they breathe. There are many causes of air pollution. One of the main causes of air pollution is vehicle traffic. Cars, buses, trucks, motorcycles, scooters and trailers are run on fuel. Burning fuel cars leads to exhaustion of toxic compounds including toxic gases as well as particulate matter. Hazardous gases that are part of exhaust fumes include hydrocarbons, nitrous oxides, carbon monoxide and sulfur dioxide.
Plants also contribute to air pollution. Toxic fumes and smoke generated by factories are released into the air thus causing air pollution.
Similarly, burning fossil fuels such as coal, as well as burning firewood for cooking and farm waste leads to toxic fumes that pollute the air. Burning waste also creates toxic fumes.
Air pollution affects the air that people and all other life forms breathe. People around the world are suffering from respiratory and cardiovascular problems and diseases like cancer affect other organs of the body. Millions of people die every year around the world due to air pollution.
#Tham khảo! =)
Last summer, my family and I had a trip to Dalat, which was dubbed as the land of fog. We came to Da Lat by bus because we wanted to visit the scenery along the way. Dalat appeared as a city in the clouds, and we spent all our time here to visit famous places. We visited Bao Dai Palace - the residence of the last king of the Nguyen Dynasty with his family. The whole architecture was is European style, and there were a lot of beautiful flowers which were planted around the Palace. The ground floor was the place for meetings, banquets, greeting foreign guests and government officials. Bao Dai's office, library, games room were also located there. In the office there was a huge portrait of King Bao Dai and Prince Bao Long - who was chosen as the successor of the throne. The entire second floor was the resting place of the royal family, including bedrooms of the king, queen, and their children. There was also a place for the king and queen to watch the moon called the Moon Tower. The next place that we visited was Mount Langbiang, where there was a legend about a love story between a girl called Biang and her lover Lang. Their love was forbidden by their families, so they chose to die in order to stay together forever. Next, we were brought to the top of the Radar hill by a Jeep; from the top of the hill we can see Dalat from above through a dim layer of fog. In the distance were the Golden and Silver streams, and they were like two strips of silk that ran across the forest. After 3 days of exploring Dalat, we finally had to go back home. The clouds and fog in the city still lingered in my mind, and I could not wait for my next visit to Da Lat.