Saturday, November 21, 2009

Essay 2. final exam

The resources and human impacts on Earth systems. the number of nonrenwable natural resources is very limited. They affect a lot of things, for example lanscapes, ecosystems, and can also have long term affects on the climate effects.
firstly is about the nonrenewable and renewable sources of energy for human compsumption. Renewable engery is the energy that is generated by natural resources, such as sunlight, wind, and rain. Non Renewable energy cannot be pruduced or regrown. It often exsits in a fixed amount, unless they are consumed much faster than nature can create.
Secondly is the impact of human activites on the enviorment. Deforestation is the the clearence of natural resources occurring forests by the processes of people's logging and/or burning of trees in a forested area. the four Earth sysetems are air, land, water,and ice.
thirdly is the desscription of the life cycle of product. A new product progresses through a sequence of stages from introduction to growth, maturity, and decline. the introduction stage is to develope a market for the poduct. The growth stage is in increassing the market place. the maturity stage is to defend market share while maximizing profit. the decline stage has several options, for example maitaine the product, harvest the product, and discontunie the product.


bibliography

http://en.wikipedia.org/wiki/Renewable_energy
http://en.wikipedia.org/wiki/Non-renewable_resources
http://en.wikipedia.org/wiki/Deforestation
http://www.quickmba.com/marketing/product/lifecycle/

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