Your study reveals an LD50 of about 1200mg/kg for dichloroethene. You measure a sample of tap water and discover that it contains 0.007mg dichloroethene per liter. Would you consider this to be a dangerous level of this toxin, or an acceptable level? Justify your answer.
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Environmental science are unconsidered with methods to preserve natural resourcesa.trueb.false
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The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere
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Science which of the following is an example of a cyclic behavior that is seasonal? i think the answer is d, i just need to double check : ). a. running from predators. b. searching for water. c. hunting at night. d. migrating for warmth. ***
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Your study reveals an LD50 of about 1200mg/kg for dichloroethene. You measure a sample of tap water...
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