Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Textbook Question
Chapter 56, Problem 13TYK
Thinning of the ozone layer is a result of CFCs introduced into the environment. Although global release of CFCs has been dramatically reduced, the ozone layer is recovering very slowly because
- a. chlorine from CFCs persists in the atmosphere, continuing to break down ozone.
- b. CFCs don’t break down in the atmosphere.
- c. other compounds with the same effects as CFCs are being released.
- d. greenhouse gas emissions also damage the ozone layer.
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The recent increase in atmospheric CO2 concentration is mainly a result of an increase in a. plant growth. b. the absorption of heat radiating from Earth. c. the burning of fossil fuels and wood. d. cellular respiration by the increasing human population.
Which of the following statements about the carbon dioxide emitted to the atmosphere by human activities each year is most accurate?
a.
About half of it remains in the atmosphere and the other half is split equally between uptake by the oceans and vegetation.
b.
Nearly all of it remains in the atmosphere.
c.
About half of it dissolves in the oceans.
d.
On an annual basis, human-caused emissions of carbon dioxide are small compared to volcanic emissions.
e.
Human-caused emission of carbon dioxide is much greater than that emitted by respiration of all plants, animals, and microorganisms.
If there are many greenhouse gases, why is only carbon dioxide considered a cause of global warming?a. The other gases do not cause global warming.b. It isn’t. Scientists are concerned about other causes; for example, release of methane from melting permafrost could have significant effects on global warming.c. Other gases occur in such low quantities that they have little effect on the climate.d. Carbon dioxide is the only gas that absorbs long-wavelength infrared radiation.
Chapter 56 Solutions
Study Guide for Campbell Biology
Ch. 56 - Prob. 1IQCh. 56 - Is the effective population size larger or smaller...Ch. 56 - Prob. 3IQCh. 56 - Prob. 4IQCh. 56 - What are some potential benefits of corridors? How...Ch. 56 - What factors would favor the creation of larger,...Ch. 56 - List some of the ways by which we may slow global...Ch. 56 - Describe the four major threats to biodiversity.Ch. 56 - Prob. 2SYKCh. 56 - Prob. 3SYK
Ch. 56 - Prob. 1TYKCh. 56 - Ecosystem services include all of the following,...Ch. 56 - The most serious threat to biodiversity is a....Ch. 56 - Prob. 4TYKCh. 56 - Prob. 5TYKCh. 56 - Prob. 6TYKCh. 56 - The smallest population that can sustain its...Ch. 56 - Movement corridors are a. strips or clumps of...Ch. 56 - Prob. 9TYKCh. 56 - Prob. 10TYKCh. 56 - Prob. 11TYKCh. 56 - Prob. 12TYKCh. 56 - Thinning of the ozone layer is a result of CFCs...Ch. 56 - Sustainable development a. uses nature reserves to...Ch. 56 - Which of the following statements reflects a...
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