Pollution

7. When the radiation goes into the land, air, or water, it is called________.

13. If people really (care)______ about the environment, they (not dump)______ waste into the ocean.

8. The sight of too many advertising billboards, over head power lines, or sign posts may cause_______.

10. If we (recycle)_______ more, we (help)______ the Earth.

6. _______ occurs when the atmosphere contains gases, dusts, or fumes in harmful amounts.

4. _______ occurs because there are too many loud sound in the environment.

20. What is the other way to call "land pollution"?

3. ________ happens when human activities destroy the Earth's surface.

12.If there (be)______ fewer cars on the road, there (be)______ less pollution.

11. We (save)_______ thousands of trees if we (not waste)_______ paper.

5. Too much use of electric lights in cities may cause________.

2. _______ is synonymous with pollution

1. When _______ happens, the water temperature in streams, rivers, lakes or oceans changes.