文档介绍：Evaluation Shenzhen PKU students, 15 April. Please send the answer with your names to Sjaak@ before April 26. Please try to answer without writing down long text.
1. a. Can you explain what the difference is between natural and anthropogenic emissions?
1. b. Can you give examples of emissions which are mainly anthropogenic emissions and of emissions which are mainly natural?
1. c. The emissions of pounds are partly natural, partly anthropogenic. Can you give an example of emissions which are purely anthropogenic?
2. a. Can you give examples of local pollution which are important in rapid developing cities like Guangzhou in China? What are the sources?
2. b. In former years sulfur dioxide was a big problem in Chinese cities and now ozone is very important. Can you explain why?
2. c. Ozone is a big problem in Guangzhou. Can you explain why emission reductions in Guangzhou city do not solve this pletely?
3. a. pounds are responsible for acid deposition problems?
3. b. Acid deposition has already for a long time been seen as a problem in China. In large parts of Europe and the US deposition of pounds (eutrophication) gives severe troubles. Would deposition of pounds e a problem in China too? Why or why not?
3. c. Acid deposition in Guizhou province is very large. But little effect of acid deposition is seen. Can you explain how soil particles are important in reducing the