SCI 204
08/17/12
Week 6
Earths peeing is untouchable or unsuitable for human use because of its salinity, pollution, and it lies in outback(prenominal) areas. Most environmental problems today are due to the inproper equalizer of the input and output circles. An example of an input output cycle is the hydrologic cycle. It is basiclly an endless recycling of water between the atmosphere, land, and underground. There is in addition water stored underground in depressions. It is driven by the solarise and the force of gravity. This cycle teaches us to manage our natural re characters better. Hydrologic goes with a continuos cycle starting with precipitation, transpiration, infiltration, percolation, uptake, water table, and groundwater, surface pass off off, storage in depressions, evaporation, evapotranspiration, and condensation.
Overdraft is the use of groundwater at a govern faster than it is naturally resupplied. Effecys of groundwater are opening of sinkholes, reduced porousness in aquifers, concentration of groundwater pollutants, and lowering of the water table. Point source is a specific location where pollution is introduced into surface water or ground water.
Secondary treatment is a tone in wastewater purification in which organic corporal is consumed by bacteria. Cryptosporidium is the intestinal parasite that causes flu like symptoms and can be transmitted through inadequately filtered drinking water.
The Cuyahoga River caught true fir in 1969 causing over fifthy thousand dollars in damage. However, this was non the first time the river caught fire. The 1952 Cuyahoga River fire caused over 1.5 million dollars in damage. Floating oil slicks burned out of control, and resulting in general public support of clean water. In result of this act, the lightsome Water Act came about in 1972.
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