The Environment

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Across
  1. 5. a sudden and violent shaking of the ground
  2. 6. be a danger to something
Down
  1. 1. a long period of low rainfall, leading to a shortage of water
  2. 2. using natural products and energy in an environmentally friendly way
  3. 3. a group of animals or plants which can breed with each other to produce young animals or plants
  4. 4. make less
  5. 7. the natural home of an animal or plant