Exam2 - 1. What is your email ID? Answer Right Points...

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1. What is your email ID? Answer Right Points Earned:0/0 Correct Answer: Your Response: 2. Fossil fuels are hydrocarbons comprised of primarily hydrogen and nitrogen, and some sulfur, carbon, oxygen, and mineral matter. (2 points) Answer Fossil fuels are hydrocarbons comprised of primarily carbon and hydrogen and some sulfur, nitrogen, oxygen, and mineral matter. Refer to screen 3 in 'Lesson 4 - Part A: Fossil Fuels and Products of Combustion' Right Points Earned:2/2 Correct Answer: False Your Response: False 3. CO is a primary pollutant (2 points) Answer The pollutants that are emitted directly from a combustion process are called “primary pollutants.” Refer to screen 5 in 'Lesson 4 - Part A: Fossil Fuels and Products of Combustion' Right Points Earned:2/2 Correct Answer: True Your Response: True 4. The US emits the largest amount of CO2 in the world due to the combustion of fossil fuels. (2 points) Answer The United States continues to be the largest single emitter of fossil fuel–related CO2 emissions reaching an all-time high of 5,912 million metric tons of carbon in 2004. Refer to screen 6 in 'Lesson 4 - Part A: Fossil Fuels and Products of Combustion' Right Points Earned:2/2 Correct Answer: True Your Response: True 5. The primary source for nitrogen oxide emissions in the US is home heating (2 points) Answer The primary sources of NOx are motor vehicles, electric utilities, and other industrial, commercial, and residential sources that burn fuels (Figure 4.7) Refer to screen 10 in 'Lesson 4 - Part A: Fossil Fuels and Products of Combustion'
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Right Points Earned:2/2 Correct Answer: False Your Response: False 6. PM2.5 is a term used for “fine” particles that are larger than or equal to 2.5 µm (micro meter) in diameter. (2 points) Answer PM2.5 describes the “fine” particles that are less than or equal to 2.5 µm (micro meter) in diameter. Refer to screen 12 in 'Lesson 4 - Part A: Fossil Fuels and Products of Combustion' Right Points Earned:2/2 Correct Answer: False Your Response: False 7. Nitric oxide (NO) and nitrogen dioxide (NO2) together are represented by NOx. (2 points) Answer Nitric oxide (NO) and nitrogen dioxide (NO2) together are represented by NOx. Refer to screen 16 in 'Lesson 4 - Part A: Fossil Fuels and Products of Combustion' Right Points Earned:2/2 Correct Answer: True Your Response: True 8. Some groups of scientists argue that an atmopshere rich in CO2 is good for plants. (2 points) Answer Plants use CO2 and give out O2 during photosynthesis. Refer to screen 24 in 'Lesson 4 - Part B: Global and Regional Effects of Secondary Pollutants' Right Points Earned:2/2 Correct Answer: True Your Response: True 9. When does acid rain directly damage your skin? (2 points)
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This note was uploaded on 10/02/2010 for the course EGEE 102 taught by Professor Pisupati,sarmave during the Summer '07 term at Pennsylvania State University, University Park.

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Exam2 - 1. What is your email ID? Answer Right Points...

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