Environment&Natural Disasters

3. fuels fuel such as coal or oil
5. the person or thing that makes something happen
8. a very big fire that spreads quickly and burns natural areas like woods, forests
9. a sudden, violent shaking of the earth’s surface
12. the act of cutting down or burning the trees in an area
15. to let somebody come out of a place where they have been kept
16. the process of making air, water, soil, etc. dirty
17. a large amount of water covering an area that is usually dry

1. a mass of snow, ice and rock that falls down the side of a mountain
2. station a building or group of buildings where electricity is produced
4. a violent storm with very strong winds
6. a thick forest in tropical parts of the world
7. to keep somebody/something safe from death or harm
10. gases any of the gases that are thought to cause the greenhouse effect
11. a violent storm with very strong winds that move in a circle
13. warming the increase in temperature of the earth’s atmosphere
14. a mountain with a large opening at the top through which gases and lava (= hot liquid rock) are forced out into the air
18. a long period of time when there is little or no rain