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spec: Surface mining , oil , gas and geothermal exploration and extraction near park boundaries , leakage from sewer lines , contamination by wastes , by road construction and maintenance and the year-round pressure of visitors all potentially threaten the park 's air and water quality , visual integrity and critical habitat for wildlife . `` Act of 1883 . I have passed through groves of these orange trees fully a mile in extent . The conference provided an overview of the region 's aquifer system and covered regional concerns , including the stress on water resources caused by explosive development in the coastal area , contamination threats from septic and underground storage tanks , and salt water intrusion from overpumping . '' NSTA , along with other major organizations of scientists and science educators , has concluded that evolution must be emphasized in the science curriculum if students are to develop the level of scientific literacy needed to understand the natural world and to be able to make informed decisions in today 's society . The purpose of these procedures is to prevent equipment malfunctions , contamination or cross-contamination , accidental exposure of human cellular and tissue-based products to communicable disease agents , and other events that could reasonably be expected to have an adverse effect on product function or integrity . The implications of these findings for rehabilitation is that if new information is to be learned as effectively as possible by amnesic individuals , contamination of implicit memory should be prevented . Please consult with the Coordinator by e-mail ( womens-studies@mit.edu ) , in person , or by phone ( ext . War is , indeed , governance by bludgeon . The list does n't describe the worst of what we have been doing , but it already crosses the threshold of torture , with all the consequences you would expect : Endangerment of U.S. troops and civilians , brutalization of U.S. troops and their opponents , international condemnation , destruction of U.S. credibility , contamination of evidence , and undermining of the rule of law .