Across
- 2. e.coli
- 6. metalthatcomesfromburningfossilfuels
- 7. standardforsafedrinkingwater
- 8. lowoxygenlevelscreatsa:
- 10. acidcomestoearthassnow,gas,orparticles
- 11. solidwaste
- 12. biggestUSoilspill,gulfofMexico
- 15. contaminationofrivers,oceans,groundwater,etc.
- 17. causedbysonar,causeswhalebeachings
- 19. increasesinwatertemperature,causesthermalshock
- 20. naturallyoccuring,comesfrommining
- 21. waterfromhumanactivitiesandlivestockcreatessewage
- 22. waterusesaspecificamountofoxygenovertime
- 24. excessnutrientscausealgaebloom
- 25. pondholdinglivestockwaste
Down
- 1. indirectoriginofpollution-city
- 3. foundinsingleuseplastics
- 4. waterfromseptictankisreleasedthroughpipesina:
- 5. foundinpipes,leachesintowater
- 9. stoppedfiresontheCuyahogaRivercausedbypollution
- 13. massiveoilspilloffcoastofAlaska
- 14. clearwaterinmiddleofaseptictank
- 16. sewagetreatmentusedinruralareas
- 18. bacteriathatactsasanindicatorspeciesinwater
- 23. directoriginofpollution-pipe
