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Ahydrogen atom has 1 electron. how many bonds can hydrogen form? a) 1 b) 2 c) 3 d) 4 e) 5
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The density of e85 fuel is 0.801 g/ml. what is the mass of 1.00 gallon of the fuel? (1 gal. = 3.785 l)
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Which statement best describes how waves impact beaches? question options: a. beaches change over time as waves move further up the shore. b. beaches change little over time as waves follow the same patterns year after year. c. beaches change little over time as wind patterns stay the same. d. beaches are always changing due to factors such as waves adding and eroding sand.
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Which expression represent the number of possible permutation of n items taken r at a time...
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