Chemistry

Chemistry, 18.09.2019 01:00, aaamanda99

Which resources are significantly polluted by heavy metals like mercury? a. soil b. water c. neither a nor b d. both a and b

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Biology, 20.07.2019 12:00, kodarae2501

Which of the following is true concerning sources of water pollution? a) mine wastes and heavy metals become water pollution through storm water runoff. b) biodegradable materials like food, wood, and leaves are not considered pollution. c) petroleum byproducts and fuels end up as pollution principally from oil spills. d) pesticides and herbicides do not commonly become water pollutants. e) polluted and contaminated precipitation pollutes lake water.

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Chemistry, 18.09.2019 15:30, chubby087

Which resources are significantly polluted by heavy metals like mercury? a. soil b. water c. neither a nor b d. both a and b

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Biology, 20.09.2019 16:30, puppy5209

Mercury is a heavy metal that occurs naturally in minerals and rocks. release of mercury from natural sources has been relatively constant over time. however, anthropogenic release of mercury has increased significantly in recent years primarily due to increased fossil fuel mining and combustion. mercury that is released into the air eventually ends up in soils or surface water. once in water, microbes convert mercury into methyl mercury, which is absorbed quickly and concentrated in the tissues of predatory fish such as shark and swordfish. large fish typically concentrate more mercury than small fish. people who eat fish with high methyl mercury concentrations can show tremors, deafness, muscle dysfunction, and attention deficits. pregnant women and children are especially sensitive to methyl mercury's toxic effects. learning disabilities and developmental delays are common in children who have been exposed to significant levels of methyl mercury. based upon the specific health effects described above, mercury would be best classified as a

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