Câu 25: V. Complete the following passage with the most suitable words from the box (2pts).
serious - burning - wastages - harms - health
- damage - industry - fuel
Air pollution occurs when wastes dirty the air. People produce most of the (1)......... that cause air pollution. Such wastes can be in the form of cases or particles of solid or liquid matter. These substances result cheaply fror. burning (2).......... to power motor vehicles and to heat buildings. Industrial processes and the (3) ............ of garbage also contribute to air pollution. Natural pollutants include dust, pollen, soil particles and poisonous occurring gases. The rapid growth of population and (4)....... and the increased use of automobiles and airplanes, have made air pollution a (5).........problem. The air we breathe has become so filled with pollutants that it
can cause (6) ........ problems. Polluted air also (7) ....... plants, animals, building materials, and fabrics. In addition, it causes (8) .......... by altering the earth's atmosphere.
