Human Biology Custom Edition
11th Edition
ISBN: 9781337631532
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 25, Problem 4SQ
Greenhouse gases ________.
- a. slow the escape of heat from Earth into space
- b. are produced by natural and human activities
- c. are at higher levels than they were 100 years ago
- d. all of the above
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Chapter 25 Solutions
Human Biology Custom Edition
Ch. 25 - Describe at least two ways that human activities...Ch. 25 - Prob. 2RQCh. 25 - Describe the greenhouse effect. Make a list of...Ch. 25 - Prob. 4RQCh. 25 - Prob. 1SQCh. 25 - Prob. 2SQCh. 25 - Prob. 3SQCh. 25 - Greenhouse gases ________. a. slow the escape of...Ch. 25 - All the following are renewable energy sources...Ch. 25 - Prob. 6SQ
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- The process whereby oxygen is depleted by the growth of microorganisms due to excess nutrients in aquatic systems is called ________. a. dead zoning b. eutrophication c. retrofication d. depletionarrow_forwardAs a result of_______ , an old animal usually has more pollutants in its body than a young one. a. bioaccumulation b. biological magnificationarrow_forwardWhich of the following is not a fossil fuel? a. natural gas b. coal c. wood d. petroleumarrow_forward
- Plants use carbon dioxide from the air and are therefore called _____. a. consumers b. producers c. decomposer d. carbon fixersarrow_forwardBurning fossil fuels results in the emission of ________________ into the atmosphere. a. CO2 b. O2 c. none of the above d. ozonearrow_forwardThe process whereby nitrogen is brought into organic molecules is called ________. a. nitrification b. denitrification c. nitrogen fixation d. nitrogen cyclingarrow_forward
- We learned an ironic twist in the film called "The Other Inconvenient Truth." It was that a. agriculture creates more pollution than other sources, but we have to increase farming for the growing population b. that nitrogen in the soil is significant pollution, but if we don't use these fertilizers we will not have enough food c. That methane is produced by animals and by growing rice. So becoming vegetarian won't clear methane from the atmosphere. d. agriculture uses 70% of fresh water mined , causing a salt water pollution tooarrow_forwardIn most ecosystems, the primary producers use energy from______ to build organic compounds. a. sunlight b. heat c. breakdown of wastes and remains d. breakdown of inorganic substances in the habitatarrow_forwardThe movement of mineral nutrients through organisms and their environment is called a ________ cycle. a. biological b. bioaccumulation c. biogeochemical d. biochemicalarrow_forward
- Which one of the following is not caused due to the PV power plants? a. Land pollution b. Battery Pollution c. Eyesight problem d. Earthquakesarrow_forwardWhy are many people especially concerned about the release of carbon dioxide through fossil fuel combustion? A. Carbon dioxide is by far the most abundant of the greenhouse gases released through human activities. B. More than any other climate driver, carbon dioxide has contributed the most to the global rise in temperature since the industrial revolution. C. Carbon dioxide turns over very slowly, so the carbon dioxide released into the atmosphere today can affect the global climate for thousands of years into the future. D. All of the above are correct E. None of the above are correctarrow_forwardDesertification typically happens becausea. deserts naturally expand in size.b. humans allow overgrazing.c. desert animals wander into adjacent areas for food.d. humans tap into limited water supplies for their water needs in the nearby desert.arrow_forward
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