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Rocks can be divided into three basic classifications: igneous, sedimentary, and metamorphic. The following tests are used by experts to classify rocks: Hardness Test Minerals are scaled in range from 1 to 10, with 1 being softest and 10 hardest. The method of determining hardness is the scratch test.
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Antelopes and Squirrels depend on grass (a food resource), and in turn the predators (hawks, mountain lions, coyotes) depend on the herbivores.
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Hope this helps!
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Isn't it obvious? The more you know about the pathogen (anything) the better targeted solutions can be created to avoid spreading.
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III only hope its helps you
<span>rainwater runoff into local streams </span>
