NATURE WORDS

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Across
  1. 2. the top layer of the earth in which plants grow
  2. 4. an area of ground, especially when used for farming or building
  3. 6. a place where water from a river or stream falls down over a cliff or rock
  4. 9. a high area of land with a very steep side
Down
  1. 1. the surface of the earth
  2. 3. an area of lower land between two lines of hills or mountains
  3. 5. a part of a coast where the land curves inward
  4. 7. the hard remains of a prehistoric animal or plant that are found inside a rock
  5. 8. the hard substance which the earth is made of