When we say that U. S. Treasuries act as benchmark bonds we mean that yields on other bonds are measured in terms of the over Treasuries.

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.

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