a) Chemical
b) Carcinogenic
c) Industrial
4. What do open windows and fans that extract smoke provide?
a)
contamination
b) ventilation
c) indoor pollution
5. The article implies that most of China's air pollution is caused by
a) Japan and Korea
b) burning coal
c)
acid rain
6. According to the article, where is cancer the leading cause of death?
a) Beijing
b) Los Angeles
c) the European Union
7. Which is NOT mentioned as a source of soil pollution?
a) hazardous
wastes
b) use of pesticides
c) smoke from factories
8. Soil pollution is a major concern in _______ countries.
a) industrial
b) developing
c) industrial and developing
9. Industrial metals and pesticides seep into the earth's soil and contaminate our
a)
food supply
b) food shortages
c) disease outbreaks
10. Premature deaths caused by pollution are expected to increase as more people move to
a)
developed nations
b) urban centres
c) country town
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