Geography, 10.10.2019 20:00 Kelshonti15
1. write the definition of particulate matter and its 3 classifications depending on the sizes. 2. categorize air pollutants according to the phase and source(human activity) and then write 3 examples for each category. 3. write famous 5 primary and 2 secondary air pollutants. compare the two famous smog disasters in 5 characteristics
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