Campbell Biology Plus Mastering Biology with Pearson eText - Access Card Package (11th Edition)
11th Edition
ISBN: 9780134082318
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Textbook Question
Chapter 37, Problem 13TYU
SCIENCE, TECHNOLOGY, AND SOCIETY In many countries, irrigation is depleting aquifers to such an extent that land is subsiding, harvests are decreasing, and it is becoming necessary to drill wells deeper. In many cases, the withdrawal of groundwater has now greatly surpassed the aquifers' rates of natural recharge. Discuss the possible consequences of this trend. What can society and science do to help alleviate this growing problem?
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THINK IT THROUGH Having solved the water depletion problem in your state, your next task is to deal with pollution of the groundwater that provides your state’s drinking water supply. Recent studies have shown that one-third of the state’s groundwater has levels of pollutants that violate EPA standards for human health, and citizens are fearful for their safety. What steps would you consider taking to safeguard the quality of your state’s groundwater supply, and why?
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QC271. An aquifer has following different formations, their thickness and Hydraulic conductivity are given below. Assume that each formation is isotropic and homogeneous. Compute both the equivalent horizontal and vertical hydraulic
conductivities.
Formation
1
Thickness (m)
0.163
Hydraulic Conductivity (m/day)
Formation
Thickness (m)
Hydraulic Conductivity (m/day)
Formation
3
46
27.658
106.5
101
Thickness (m)
132.7630
2
0.202
53
47
28.867
108.8
102
135 4020
Hydraulic Conductivity (m/day)
233
235 3
3
0.267
7.6
30.102
111.1
103
138.0670
237.6
0.358
49
31.363
113.4
104
140.7580
239.9
5
0.475
122
50
32650
115.7
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143.4750
242 2
6
0.618
14.5
51
33.963
118.
106
146 2180
244 5
7
0.787
16.8
52
35.302
120.3
107
148 9870
246 8
8
0.982
19.1
53
36.6670
1226
108
151.7820
249.1
1.203
214
54
38.0580
124.9
109
154.6030
2514
10
1.450
23.7
55
39.4750
127.2
110
157 4500
253.7
11
1.723
26
56
40 9180
129.5
111
160 3230
256
12
2.022
28.3
57
42 3870
131.8
112
163 2220
258.3
13
2.347
30.6
58
43.8820
134.1…
Chapter 37 Solutions
Campbell Biology Plus Mastering Biology with Pearson eText - Access Card Package (11th Edition)
Ch. 37.1 - Explain how the phrase "too much of a good thing"...Ch. 37.1 - Some lawn mowers collect clippings. What is a...Ch. 37.1 - WHAT IF? How would adding clay to loamy soil...Ch. 37.1 - MAKE CONNECTIONS Note three ways the properties...Ch. 37.2 - Are some essential elements more important than...Ch. 37.2 - WHAT IF? If an element increases the growth rate...Ch. 37.2 - Prob. 3CCCh. 37.3 - Prob. 1CCCh. 37.3 - How do soil bacteria and mycorrhizae contribute to...Ch. 37.3 - MAKE CONNECTIONS What is a general term that is...
Ch. 37.3 - WHAT IF? A peanut farmer finds that the older...Ch. 37 - How is soil a complex ecosystem?Ch. 37 - Do plants need soil to grow? Explain.Ch. 37 - Prob. 37.3CRCh. 37 - Level 1: Knowledge/Comprehension 1. The inorganic...Ch. 37 - Micronutrients are needed in very small amounts...Ch. 37 - Prob. 3TYUCh. 37 - Prob. 4TYUCh. 37 - Prob. 5TYUCh. 37 - A mineral deficiency is likely to affect older...Ch. 37 - The greatest difference in health between two...Ch. 37 - Prob. 8TYUCh. 37 - Prob. 9TYUCh. 37 - Prob. 10TYUCh. 37 - Prob. 11TYUCh. 37 - SCIENTIFIC INQUIRY Acid precipitation has an...Ch. 37 - SCIENCE, TECHNOLOGY, AND SOCIETY In many...Ch. 37 - Prob. 14TYUCh. 37 - Prob. 15TYU
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