Ecology Crossword puzzle

123456789
Across
  1. 1. an overflowing of water, especially over land not usually submerged
  2. 4. waste matter from domestic or industrial establishments that is carried away in drains (égouts)
  3. 7. to disconnect
  4. 8. under
  5. 9. movement of water in oceans or the sea
Down
  1. 2. injure or harm; reduce the value or usefulness of
  2. 3. to make less to reduce
  3. 4. encircled enclosed
  4. 5. to expel air from the lungs suddenly with a harsh noise, often involuntarily
  5. 6. a deficiency in quantity