Đọc đoạn văn và chọn T (Đúng) hoặc F (sai) cho những câu sau. There are many causes that lead to water pollution. One main cause of this issue is waste water coming from many factories and then being directly pulled out into water bodies, especially into rivers or seas without any treatment because this is the most convenient way of disposing waste water. Industrial waste consists of some kind of chemical substance such as sulphur, which is harmful for marine life. Lead is known as the main reason for cancer disease. Cancer has become a popular disease in several communes which is called “cancer villages. Another cause is the awareness of citizens, people always use water for many purposes and then they dump waste water or garbage directly into rivers, canal, and ponds and so on. In 2004, because of bird fly outbreak in Vietnam, people threw poultry to water body that made water highly polluted. 1. Waste water from many factories which is dumped into water bodies directly causes water pollution. 2. Dumping waste directly into water is the most convenient way of disposing waste water. 3. Sulphur is believed the main cause of cancer. 4. Cancer villages occurred in 2004. 5. Due to lack of awareness, people poisoned water with dead poultry when there was bird flu outbreak in 2004