Polluted air may contain substances which are (1)_________to our lungs. These substances may include small (2)_________ and (3)__________gases such as sulphur dioxide,(4)_________ or (5)_____________.
People breathing in polluted air for a long period of time are more likely to suffer from diseases like (6)__________ and (7)____________.
questions about air pollution.....
2007-08-17 8:52 am
回答 (1)
2007-08-20 4:08 am
✔ 最佳答案
Answers:1. harm
2. particles
3. greenhouse
4. carbon monoxide
5. chlorofluorocarbons
6. heart attack
7. asthma
參考: AL GEOGRAPHY TEXTBOOK
收錄日期: 2021-04-18 23:04:56
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