"A" WORK PLAGIARISM FREE

     PLEASE NUMBER EACH QUESTION

1. Explain the four stages of drinking water treatment. How is it possible for waterborne disease such as cryptosporidium and giardia to contaminate water that has been treated in modern treatment plants? 

Your response should be at least 220 words in length.

2. Give at least three examples of how air pollution endangers human health. Please include in your discussion a review of the short-term and long-term health effects of air pollution, as well as a review of at least one major air quality episode that has affected public health. 

Your response should be at least 220 words in length.

3. Explain the difference between sick building syndrome and building-related illness. Please make sure to discuss specific sources of indoor air pollution and how they can adversely affect human health. 

Your response should be at least 220 words in length.

4. Describe some specific examples of toxic chemicals that may enter the public drinking water supply. Please include in your answer some of the health effects that are attributed to these toxic chemicals present in drinking water. 

Your response should be at least 220 words in length.