Natural disasters

8. the act of sending out gas, heat, light, etc
9. a very large area of sea
11. an unnecessary or wrong use of money, substances, time, energy, abilities, etc
14. a strong, dangerous wind
15. damage caused to water, air, etc
17. to sort and collect rubbish in order to treat it and produce useful materials that can be used again
18. a chemical substance used to kill harmful insects
20. the salty water that covers a large part of the surface of the earth
21. the general weather conditions usually found in a particular place
24. a form of energy that comes from a nuclear reaction and that can be very dangerous to health
26. warming a gradual increase in world temperatures

1. a natural wide flow of fresh water across the land into the sea
2. rain rain that contains large amounts of harmful chemicals
3. an area, often covered with sand or rocks, where there is very little rain
4. a plant such as a grain, fruit, or vegetable grown in large amounts
5. bank a large container into which people put empty bottles
6. something that makes you understand there is a possible danger or problem, especially one in the future
7. a substance in a form like air that is neither solid nor liquid
10. to keep someone or something safe from injury
12. the appearance of a particular disease in a large number of people at the same time
13. cap a thick layer of ice that permanently covers an area of land
16. an expert who studies or works in one of the sciences
19. an extreme weather condition with very strong wind
22. hot liquid rock that comes out of the earth through a volcano
23. o cause to fill or become covered with water
25. help or support