Across
- 3. extreme scarcity of food.
- 5. an event causing great and usually sudden damage or suffering; a disaster.
- 6. nearest dwarf planet to the solar system
- 7. existing everywhere
- 9. Extremely toxic waste
- 11. a longing for something past
- 12. Direct radiant energy from the sun
- 18. useless repetition
- 19. the part of the earth's atmosphere and surface in which animals and plants can live
- 20. an enclosure within which something originates or develops
- 21. Melting of ice in South and North
- 22. a place where sky meets the water
Down
- 1. the geological process in which earthen materials are worn away and transported by natural forces such as wind or water.
- 2. a young tree,but bigger than a seedling
- 4. a substance that has been linked to causing one or more types of cancer
- 8. the green colour component in the plant
- 10. a thick dirty cloud at ground level caused by pollutants reacting to sunlight
- 13. a substance believed to cure all ills
- 14. Can only be used once
- 15. substances that carry harmful bacteria or toxins that can cause disease or death
- 16. a long period when there is little or no rain.
- 17. strong, unpleasant and sometimes dangerous gas or smoke