B2.2 Weather and environment

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Across
  1. 2. scientist who studies the way in which plants, animals and people are related to each other and to their environment
  2. 6. _ _ _ _ layer. A layer of gases in the sky that prevents harmful radiation from the sun from reaching the Earth
  3. 8. _ _ _ _ bank. A container in the street for collecting glass so that it can be used again
  4. 11. a measure of how hot or cold a place or thing is
  5. 12. someone who works hard doing practical things to achieve social or political change
  6. 16. _ _ _ _ _ _ _ _ _ energy. Energy that replaces itself naturally or is easily replaced because there is a large supply of it
  7. 17. able to continue without causing damage to the environment
  8. 19. A very small amount of rain that falls in a round shape: a rain _ _ _ _
  9. 20. a liquid used to supply power to the engine of a car or other vehicles
Down
  1. 1. cold _ _ _ _ A period of unusually cold weather
  2. 3. _ _ _ _ _ _ _ _ _ _ gas. A gas, especially carbon dioxide or methane, that is thought to trap heat above the Earth
  3. 4. hail _ _ _ _ _ A small ball of frozen rain
  4. 5. the part of a plant or tree that grows under the ground and gets water from the soil
  5. 7. a light cloud low over the ground that makes it difficult for you to see very far
  6. 9. the natural home of a plant or animal
  7. 10. a period of unusually hot weather, especially one that continues for a long time
  8. 13. the regular rising and falling of the level of the sea
  9. 14. an area of countryside or land of a particular type, used especially when talking about its appearance
  10. 15. weather _ _ _ _ A metal object fixed to the top of a building that blows around to show the direction the wind is coming from
  11. 18. waste paper, cans etc. that people have thrown away and left on the ground in a public place