The focusing of conscious awareness on a particular stimulus, as in the cocktail party effect (ability to attend selectively to only one voice among many). thats the answer
Um B? not really sure only one would say is B doesn't sound like it would because of organization
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reduce the cost of using fossil fuels
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Bing, then Google and IMDb
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This forms a geometric figure on the surface plot and is called an infinite cone. Take a look at this figure: