String theory seeks to unite quantum physics with which of the following?

A color key is

A) a warm color surrounded by a cool one. B) a color scheme. C) the primary colors of whatever system is being used. D) dominant and pervasive color in a composition. E) a cool color surrounded by a warm one.

Lions were traditional guardians because

a. they were kings of the animals. b. they were thought never to sleep. c. they were powerful enough to keep enemies away. d. they symbolized the human king. e. they protect their cubs.