Roland is a sales associate in a jewelry store. He tries to sell as many expensive pieces as he can because of the commission he earns. He does not really enjoy his work but see is it as a way to earn a living until something better comes along. In this example, Roland is driven primarily by motivation.

A. intrinsic
B. internal
C. extrinsic
D. external

Roland is driven primarily by EXTRINSIC motivation.

Explanation: Extrinsic motivation refers to willingness in action especially in behavior that is primarily driven by external factors such as money, fame, grades, and praise. This is opposed to intrinsic motivation whereby the source of motivation comes from within an individual.

answer; researchers typically cannot control people's sexual behaviors as would be necessary in an experiment;

the language of nature was a manifestation from god as he said "let there be light" and there was light the world began to assume visible, comprehensible form.

what ever we know now think of the old vision of creation we can be sure that with out the speaking of word -without language- we would have no science today with its striking power to illuminate the world.