T1H4E1O1R1I1E1S1
11 points
THEORIES is validvalid
THEORY, a group of propositions used to explain a class of phenomena [n]
THEORY, a group of propositions used to explain a class of phenomena [n]
THEORY, a group of propositions used to explain a class of phenomena [n]
THEORY, a group of propositions used to explain a class of phenomena [n]