What is the role of the beaver in its ecosystem? a) it is a foundation species and the main source of food for the natural predators of its ecosystem. b) it is a keystone species that modifies its natural environment by damming streams to form wetlands. c) it is a dominant species, as it has the greatest number of individuals among all the mammalian species of its ecosystem. d) it is an endangered species as it has the least number of individuals among all the mammalian species of its ecosystem.
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Correct relationship between molecular formula and empirical formula
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The polymer used for the nonstick surface of cooking utensils is 24.0%c and 76%f by mass. what is the empirical formula of this polymer?
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The bohr model of the atom explained why emission spectra are discrete. it could also be used to explain the photoelectric effect. which is a correct explanation of the photoelectric effect according to the model?
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What is the role of the beaver in its ecosystem? a) it is a foundation species and the main source...
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