Which of the following is true of a scientific theory? view available hint(s) which of the following is true of a scientific theory?
a. it is a method or device that applies scientific knowledge for some specific purpose.
b. it must demonstrate the effect of one variable by testing control groups and experimental groups.
c. it is formulated by many scientists over drinks at a convention.
d. it generates testable hypotheses, is supported by a large body of evidence, and is broad in scope.
e. it is only accepted after the person who formulated it has died.