The images projected onto a screen at a planetarium allow for the study of the movement of stars.

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

The nations of indochina a. share a common langauge b. share a common history c. share a common religion d. none of the above

Which of the following describes the relationship between elements of an ecosystem