Unit 1-3 words

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Across
  1. 3. the presence in or introduction into the environment of a substance which has harmful or poisonous effects.
  2. 4. the covering or submerging of normally dry land with a large amount of water.
  3. 6. An uncomfortable sensation on the skin.
  4. 7. covering or affecting a large area.
  5. 8. able or likely to cause harm or injury.
  6. 10. higher in rank, status, or quality.
Down
  1. 1. the covering or submerging of normally dry land with a large amount of water.
  2. 2. conditions or practices conducive to maintaining health and preventing disease, especially through cleanliness.
  3. 5. illness or sickness characterised by specific signs or symptoms”.
  4. 9. the state of being ill.