Astronomers observing spectral lines can observe red or blue shifts kn wavelengths, which can be used to determine
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what's the question ?

i think that you are smart and you should fit for it out

i am sorry but i need more information and a picture.

bal is blood alcohol level. bac will normally be higher in a person with more body fat. so the answer to your question would be, as body fat decreases, the increasing rate of bal decreases.