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Understanding main issues and details1. Analyze main issues: a. Compare the three methods of output control and fill in the table:
b. Find correct answers to the questions: 1. What kind of scientific evidence is usually distinguished? 2. What is synergistic effect? 3. Why is the risk of lung cancer much higher for asbestos workers? 4. Is the testing of synergistic interactions of pollutants time-consuming? 5. Where is controlling of different types of pollution in progress? 6. How many types of pollution control are developed? 7. What is input pollution control? 8. What is output pollution control? 9. What is the fundamental difference between input and output pollution control? 10.How are harmful wastes usually disposed? c. Give the definition of the following:
d. Say whether the sentences given below are: · True · False · Not given: 1. People usually have different opinion on benefits and risks to their health caused by pollutants. 2. DDT and other chemical pesticides are slowly biodegradable pollutants. 3. Mercury and lead compounds are rapidly biodegradable. 4. The same level of pollution affects all people similarly. 5. Coal-burning electric power plants release into the atmosphere sulfur dioxide gas. 6. Pollutants caused by human activities degrade to harmless levels by natural processes. 7. Research is one of the most important aspects of scientific and engineering practice. 8. Scientific research helped to define specific chemicals in cigarette smoke that cause lung cancer. 9. A water supply system may involve dams and other structures as well as the flow and storage of water. 10. Most developed countries can control pollution nowadays.
2. Analyze the details: a. Complete the following sentences:
b. Summarize the information about pollutants and fill in the table:
c. Find in the Texts and read information about: · harm pollution brings to humans and other forms of life · risks from polluted air and water against the benefits of employment · acute and chronic effects of pollution on human health · scientific evidence of harmful effect caused by a particular pollutant · example of synergistic effect · how people can be affected by pollution at different levels · testing synergistic interactions · two fundamentally different approaches to pollution control · economic incentives for decreasing the output of waste materials. d. Match each type with its scope :
e. Summarize the information about pollutants, their types and effects, also the ways pollution is controlled.
Text C. GROUNDWATER POLLUTION Text for individual work: read, translate and be ready to do the Date: 2015-12-18; view: 1253
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