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<br/> -Fresh water is considered a renewable resource because it

is replenished by natural processes. That being the case, why do humans need to build dams, reservoirs, and water treatment plants? Hint: think about rainfall and snowfall seasonal distribution and human population density in urban vs. rural areas.
-How/why (physical cause and effect relationships) does deforestation (Cause) increase the risk of soil erosion and flooding (effects)? Include brief definitions of the processes of water infiltration, transpiration, and runoff and relate changes (following deforestation as compared to before deforestation of an area)) in these physical processes/mechanisms in their rates (how much occurs and how fast) to soil erosion and flooding. Hint: look at the water cycle and try to understand the interrelationships of the processes. If you change one, what happens to the other?

Subject: Biology, Ecology, Science

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