Air Pollution - 20 Multiple Choice Identify the choice that...

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20 Multiple Choice Identify the choice that best completes the statement or answers the question. ____ 1. A lichen is a mutualistic relationship between a(n) a. alga and a fungus. b. dinoflagellate and a coral. c. coral and a fungus. d. coral and an alga. e. sea anemone and a clown fish. ____ 2. Lichens are particularly useful for indicating ____ 3. Lichens can track air pollution to its source because they ____ 4. The correct sequence of layers of the atmosphere from innermost to outermost is ____ 5. The atmosphere is divided into spherical layers based upon the a. density of each layer. b. concentration of ozone in each layer. c. temperature changes from variations in absorption of solar energy. d. concentration of oxygen in each layer. e. precipitation in each layer. ____ 6. The atmospheric layer containing 75% of the mass of Earth's air is the ____ 7. If the earth were an apple, the lower layer of the atmosphere would be the thickness of ____ 8. Most of Earth's weather occurs in the
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____ 9. You send up a weather balloon that monitors temperature changes in the atmosphere. Initially, the temperature drops as the balloon rises. Suddenly, there is a reversal and the temperature starts to rise. This boundary would be the a. tropopause. b. stratopause. c. minipause. d. mesopause. e. thermopause. ____ 10. The troposphere differs from the stratosphere in that it has ____ 11. Stratospheric ozone ____
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