Saving the Salmon Introduction Native Americans, the first humans in this area, have used salmon for several thousands of years. Presently, seven species of salmon are on the endangered species list. In addition to natural problems, salmon have to deal with the problems brought on by human technologies. Logging, overfishing, and water pollution by cattle waste, pesticides and herbicides are only a few of the difficulties salmon deal with. History Salmon began to evolve into …
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showed last 75 words of 1024 total
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