Water pollution

123456789101112131415161718192021
Across
  1. 3. u shaped body of water that forms when a wide meander from the main stem of a river is cut off
  2. 6. a curve in a lake that has significant turning
  3. 7. area of land tended to flooding
  4. 11. particles of debris that are at the bottom of a water source, river,stream etc
  5. 12. cause harm to organisms through water and pollution
  6. 14. straight fast rivers that are deeper than their width
  7. 15. start of a curve in a river that can be isolated
  8. 16. no steep gradient rivers that are slower than young ones
  9. 18. sediment carried by a river which settles slowly
  10. 19. off stream of water that leads to a bigger source
  11. 20. areas of water that separates water into other streams or rivers
  12. 21. swampy depressed area of a floodplain, saturated ground
Down
  1. 1. sections of a river where the bed has a steep gradient
  2. 2. valley formed by fast flowing water
  3. 4. previous v shaped valleys carved from downstream rivers with more discharge
  4. 5. embankment to prevent the overflow of a river
  5. 8. runoff,meltage and groundwater pollution
  6. 9. pipes,factories, drainage pipe, all come from what type of pollution
  7. 10. not very steep rivers that have low gradients
  8. 13. any tributary stream that runs parallel to and within a floodplain
  9. 17. a deposit of clay,silt,gravel and sand left by flowing streams