As a teacher, Kenneth must prepare for his classes and teach his students. Preparing for classes and teaching students is known as
A. prestige
B. a social role
C. structure
D. status

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.

Which characteristics can be used to differentiate star systems? check all that apply.

Amixture with the same composition throughout is!