Module 5 QUIZZ
Test your knowledge!
1. In the world, what is most of the water used for? *
2. In Germany, which domestic activity uses the most water? *
3. Which of the following constitutes the main water source in Europe? *
4. A by-rpoduct from waste water treatment is sewage sludge, which instead of disposal, can be put to use. From the three following options, which do we not use it for? *
5. In the cities of the developed countries, how is waste water usually treated? *
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