3. Complete the sentences with the types of pollution.
(Hoàn thành câu với những loại ô nhiễm.)
1. When happens, the water temperature in streams, rivers, lakes, or oceans changes.
2. occurs when the atmosphere contains gases, dust, or fumes in harmful amounts.
3. When radiation goes into the land, air or water, it is called .
4. Too much use of electric lights in cities may cause .
5. is the contamination of lakes, rivers, oceans, or groundwater, usually by human activities.
6. happens when human activities destroy the Earth's surface.
7. occurs because there are too many loud sounds in the environment.
8. The sight of too many telephone poles, advertising billboards, overhead power lines, or shop signs may cause .