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10 how do plastic liners and layers of clay help

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10. How do plastic liners and layers of clay help protect the environment around a landfill? 11. What is composting? Name three benefits of composting. 12. Describe, in your own words, how the Resource Conservation and Recovery Act (RCRA) works. How does it protect both citizens and ecosystems? 13. Explain why the environment negatively impacts the people of developing countries more than it does those in developed countries, in terms of both environmental and infectious diseases. 14) How does the burning of fossil fuels contribute to the net increase in atmospheric carbon?
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a) Photosynthesis is reduced by virtue of increased smoke and haze. b) Carbon released by the burning is not a form that can be readily absorbed by plants, leaving residual carbon in the atmosphere. c) Carbon that has been sequestered underground is added to the carbon cycling between the atmosphere and the biosphere. d) Carbon released by the burning is more easily absorbed in the atmosphere than that produced by natural means e) Carbon released by the burning increases plant growth, producing more carbon for the atmosphere 15) Which of the following is true of farm-raised salmon? a) They are more genetically diverse than their wild counterparts. b) They seldom escape from their containment areas. c) They have no impact on the quality of the water in which they are raised. d) They are often infected with parasites and sea lice. e) They are maintained at lower population densities than are wild salmon 16) Which of the following is the best example of a keystone species? a) Sea otter b) Sea Urchin c) Spotted owl d) Snail Darter e) Condor
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10 How do plastic liners and layers of clay help protect...

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