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sallow , sal·low / ˈsalō/ • adj. (-low·er, -low·est) (of a person's face or complexion) of an unhealthy yellow or pale brown color. • v. [tr.] rare make sallo… Concentration Gradient , Concentration Gradient
A concentration gradient occurs where the concentration of something changes over a certain distance. For example, a few drops… Sodium Adsorption Ratio , sodium adsorption ratio (SAR) The tendency for sodium cations to be adsorbed at cation-exchange sites in soil at the expense of other cations, calcul… Seth Low , The American civic leader and college president Seth Low (1850-1916) was a distinguished crusader for urban reform.
Seth Low was born into a wealthy… Exosphere , exosphere The outer region of the upper atmosphere extending from a base of 500–750 km altitude. The zone has a very low concentration of gases (most… Juliette Gordon Low , Juliette Gordon Low
American reformer Juliette Gordon Low (1860-1927) was the founder of the Girl Scouts of the United States of America. With a miss…
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