Which has not actually been seen by astronomers? a. main asteroid belt b. oort cloud c. kuiper belt

How long must a student wait for feedback on how they did on the accuplacer? a. 1 day b. 1 week c. 1 month d. immediate feedback (no wait)

An item not normally included in ansi recommendations, but recommended by other groups is: a) a syringe b) a blood pressure monitor c) a defibrillator d) all of the above

Explain how you might determine the rate of weathering on a sample rock