Ecology Voc test 1

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Across
  1. 3. to expel air from the lungs suddenly with a harsh noise, often involuntarily.
  2. 4. an overflowing of water, especially over land not usually submerged
  3. 6. movement of water in oceans or the sea
  4. 7. to make less to reduce
  5. 9. to disconnect
Down
  1. 1. a deficiency in quantity
  2. 2. encircled enclosed
  3. 5. injure or harm /reduce the value or usefulness of something
  4. 8. waste matter from domestic or industrial establishments that is carried away in drains (égouts)