In chemistry, adsorption of a substance is its concentration on a particular surface: the molecules of a liquid or gas form a film on a solid body.
... out with 25.6% under the age of 18, 7.5% from 18 to 24, 33.8% from 25 to 44, 21.3% from 45 to 64, and 11.8% who are 65 years of age or older. The median age is 36 ...