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colleen colleen
wrote...
Valued Member
Posts: 17076
12 years ago
Review the distribution of water among the major reservoirs of the hydrologic cycle. What are the major sources of freshwater? Explain why according to some projections availability of freshwater may limit human populations and activity.
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Sunshine ☀ ☼

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wrote...
Staff Member
12 years ago
The major sources of freshwater are ice, groundwater, lakes, and rivers. Water shortages already affect large regions of the world and groundwater levels are dropping in many regions. Even where water remains plentiful, pollution is reducing water quality. Therefore, freshwater can be considered a limiting factor to humans.
- Master of Science in Biology
- Bachelor of Science
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