12. a useful tool illustrating the relationships among igneous, sedimentary, and metamorphis rocks is called the a. water cycle b. plate tectonic cycle c. relationship between pre-existing rocks d. lithosphere e. rock cycle

What must happen for new french words to be published in official dictionaries? a. they must be approved by the french academy b. they must be voted on by the people of france c. they must be used by famous french writers d. they must be used by philosophers a. they must be approved by the french academy