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Climate in cities
Basics |
Worksheet 1
Test yourself:
Quiz about the causes of acid rain
This is an interactive web-page. |
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Find the right answers! |
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1) All scientists are talking about acid rain if the pH of the rain water is below: |
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2) The pH value of rain water indicates: |
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3) What is more acid than freshly brewed coffee? |
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4) Which statement(s) is (are) true? |
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5) In which region did the emission of sulfur dioxide between 1960 and 1995 increase mostly? |
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6) Which nation had emitted the largest amount of nitrogen oxides in 1995? |
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7) About how many percet did the emission of nitrogen oxide decrease in Europe between 1990 and 1998? |
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Attention: This quiz is optimised for internet explorer or new versions of Netscape! If the little solution window disappears, just reopen it from the task row! |
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About this page:
Authors: M. Seesing, M. Tausch - Universität Duisburg-Essen, Duisburg / Germany Rewiewer:
Last update: 2004-05-28 |
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