1. When _______ happens, the water temperature in streams, rivers, lakes or oceans changes.
Thermal pollution
2. _______ is synonymous with pollution
contamination
3. ________ happens when human activities destroy the Earth's surface.
Land/ Soil pollution
5. Too much use of electric lights in cities may cause________.
Light pollution
6. _______ occurs when the atmosphere contains gases, dusts, or fumes in harmful amounts.
Air pollution
7. When the radiation goes into the land, air, or water, it is called________.
Radioactive pollution
8. The sight of too many advertising billboards, over head power lines, or sign posts may cause_______.
Visual pollution
10. If we (recycle)_______ more, we (help)______ the Earth.
recycle/ will help
11. We (save)_______ thousands of trees if we (not waste)_______ paper.
will save/ don't waste
12.If there (be)______ fewer cars on the road, there (be)______ less pollution.
were/ would be
13. If people really (care)______ about the environment, they (not dump)______ waste into the ocean.
cared/ wouldn't dump
20. What is the other way to call "land pollution"?
Soil pollution
