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Quiz for you

What did you learn about water pollution in Třinec and about the Olza ?. Quiz for you. (5 questions for you ). 1 . How long is the Olza ?. Yes , you are right  I t is 16 km in Poland, 46 km in the Czech Republic , 24 km b order between Poland and the Czech Republic .

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Quiz for you

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  1. Whatdidyoulearnaboutwaterpollution in Třinec andabouttheOlza? Quizforyou (5 questionsforyou)

  2. 1. HowlongistheOlza?

  3. Yes, you are right Itis16 km in Poland, 46 km in the CzechRepublic, 24 km border between Poland and the Czech Republic. Thetotallengthisabout 90 km.

  4. 2. WhatriveristheOlza the right tributary of ?

  5. 2. Yes, you are right TheOlzaisthe right tributary of theriver Oder.

  6. 3. What are twomainsources ofwaterpollution in Třinec?

  7. 3. Yes, you are right Industrialpollutionandcommunalwaste.

  8. 4. Whattwolargeprojectshelped to cleantheOlza?

  9. 4. Yes, you are right Sewagedisposalplantmodernizationand RevitalizationoftheOlza.

  10. 5. What are theresults oftheRevitalizationof the river Olza?

  11. 5. Yes, you are right • newsewerage - 100 km • 5 newsewagedisposalplants • preventivemeasuresagainstfloods • cleanwater in theriver • comeback ofsome species

  12. Thankyou foryourattention

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