VOCABULARY UNIT 3&4

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Across
  1. 4. a rock that is made of calcium carbonate
  2. 6. travelling bags
  3. 8. found or happening below the surface of water
  4. 9. a person who climbs mountains
Down
  1. 1. toxic - causing death or illness
  2. 2. a Himalayan person who often guides people in the mountains and carries their equipment
  3. 3. feeling embarrassed and guilty
  4. 5. creamy food made from milk
  5. 7. the hard outer part of some animals
  6. 10. an instruction that says how things must be done or what is allowed