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2.6 Module #2 Quiz (Chapter 13) Due Sep 18 at 11:59pm Points 60 Questions 20 Available Sep 11 at 8am - Oct 9 at 11:59pm Time Limit None Allowed Attempts 4 Instructions Attempt History Attempt Time Score LATEST Attempt 1 61 minutes 58.2 out of 60  Correct answers are hidden. Hi, Folks! I hope you've found our first chapter and its corresponding module as interesting as I do (and timely too, right?!) . Next up: 1. Our quiz for chapter 13 - it is based on the material we have covered thus far with respect to the chapter (all content from the lecture, whether oral or written, video or announcement, is fair game!), as well as the content of the chapter itself (hint: you'll want to have access to both!) . 2. You are given four attempts to respond to the questions, and your highest score will count as your final score in the grade book. 3. Please note the due date and time . 4. Feel free to contact me via Canvas Inbox or student drop-in/office hours if you have any questions, comments or concerns (for real, People, I'm here to help!) . Best, : ) Prof Leonard Take the Quiz Again

Score for this attempt: 58.2 out of 60 Submitted Sep 15 at 12:46am This attempt took 61 minutes. 8 / 8 pts Question 1 Hint: Multiple rows can have the same answer... weather layer troposphere layer of atmosphere at Earth's surface troposphere layer in which most humans will spend their entire lives troposphere layer in which we encounter the highest concentration of ozone stratosphere 3 / 3 pts Question 2 Select all that apply with respect to our atmosphere: shields us from extraterrestrial space creatures! it is composed of 21% nitrogen it is mostly nitrogen transports and recycles water

it is composed of gases it is most dense at the surface provides oxygen it moderates climate 2 / 2 pts Question 3 Please provide one word to describe what the textbook authors describe as "a departure from the normal temperature profile"; a "band of air in which temperature rises with altitude" within the Troposphere inversion 2 / 2 pts Question 4 Mexico City and Los Angeles share characteristics, including being surrounded by mountains, receiving copious amounts of sunshine, and being prone to inversions that make them particularly susceptible to poor air quality . True False

2 / 2 pts Question 5 From the book, most types of outdoor air pollutants have been increasing in industrializing nations in recent decades. True False 8 / 8 pts Question 6 Match criteria pollutants to their descriptions. colorless, odorless gas, mostly produced by vehicle motors, binds to hemoglobin carbon monoxide stinky, colorless gas mostly from coal burning for electricity production sulfur dioxide produced from the high temperatures of running automobile motors; gives our pollution in Los Angeles its brownish hue Nitrogen oxides solid or liquid matter suspended in the atmosphere so small in size as to cause respiratory harm when breathed in to our lungs particulate matter

2 / 2 pts Question 7 (From the book and posted notes) CFCs had many uses in the 1970s, including which of the following? gasoline additives to improve engine performance propellants in aerosols 6-pack soda rings refrigerants 2 / 2 pts Question 8 (From the book and posted notes) It is the atom in the CFC molecule that is associated with the destruction of ozone in the stratosphere. chlorine 2 / 2 pts Question 9 (From the book and posted video) Ozone depletion is most pronounced during Antarctica's summer season.

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