Teenage Depression statistics show that teen depression is a common problem 1  : About 20 percent of teens will experience teen depression before they reach adulthood. 2  Between 10 to 15 percent of teenagers have some symptoms of teen depression at any one time.
1. alkaline-relating to or containing an alkali; having a pH greater than 7; alkaline soils derived from chalk or limestone. alkalic. chemical science, chemistry-the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions.
Alkaline means pertaining to a basic substance. Alkali means that the substance is a base. Alkaline Earth metals are actually the metals that are derived from alkaline minerals such as slake, limestone, etc. that are found naturally in the earth.Alkali metals form bases [ex: NaOH] that when mixed with an acid become neutralized and form naturally occurring salts.Source(s): Mo'Ni Â· 5 years ago.lkaline means pertaining to a basic substance. Alkali means that the substance is a base. Alkaline Earth metals are actually the metals that are derived from alkaline minerals such as slake, limestone, etc. that are found naturally in the earth.