Name: ________________________ Date: __________ ID: A Structure and Composition of the Atmmosphere- Problems Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ ____ ____ ____ 1. The stratosphere is characterized by a. significant temperature increase and the absence of clouds. b. a slight temperature increase and the absence of clouds. c. a slight temperature increase and lost of clouds. d. significant temperature increase and lots of clouds. 2. The atmosphere consists of a. 70% nitrogen and 30% oxygen. c. 74% nitrogen, 21% oxygen, 0.9% argon, 0.03% carbon dioxide. b. 78% nitrogen, 21% oxygen, 0.9% argon, 0.03% carbon dioxide. d. 80% nitrogen and 20% oxygen. 3. What is the Dobson Unit? a. A unit of ozone measure b. None of the above is correct. c. Measurement unit for out gassing d. Cloud researching device 4. The ozone molecule consists of a. 1 oxygen and 2 nitrogen atoms. c. 2 oxygen and 1 nitrogen atoms. b. 2 nitrogen and 1 oxygen atoms. d. 3 oxygen atoms. 1 Name: ________________________ ____ ____ ____ ID: A 5. Oxygen started to be abundant about a. 0.5 - 1 million years ago. c. 1.8 - 2.5 million years ago. b. 5 million years ago. d. 1 million years ago. 6. The ozone layer is in the a. lithosphere. c. troposphere. b. ionosphere. d. stratosphere. 7. Ozone is concentrated in Earth's atmosphere at an altitude of 20 to 35 kilometers. Which atmospheric layer contains the greatest concentration of ozone? (New York Regents) ____ ____ a. thermosphere c. mesosphere b. troposphere d. stratosphere 8. The lowest layer of the atmosphere is the a. troposphere. c. thermosphere. b. stratosphere. d. tropopause. 9. The ozone layer is about a. 10-25 miles above the surface. c. 10 miles above the surface. b. 100 miles above the surface. d. 50 miles above the surface. ____ 10. Which atmosphere component has the most variable abundance? a. argon c. nitrogen b. water vapor d. oxygen 2 ID: A Structure and Composition of the Atmmosphere- Problems Answer Section MULTIPLE CHOICE 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: ANS: B B A D C D D A A B KEY: KEY: KEY: KEY: KEY: KEY: KEY: KEY: KEY: KEY: 8-1 8-1 8-3 8-3 8-2 8-3 Test 8-1 8-3 8-1 1 Name: ________________________ Class: ___________________ Date: __________ MULTIPLE CHOICE 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. A B C D E A B C D E A B C D E A B C D E A B C D E A B C D E A B C D E A B C D E A B C D E A B C D E 1 ID: A
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