What transportation technology was first invented for roller skates? a. the rubber wheel b. the steel ball bearing c. the axle d. the disk brake

22. which situation describes the appropriate use of drugs? a.using your friend’s prescription drug according to label instructions b.using an over-the-counter drug according to your friend’s instructions c.using an over-the-counter drug according to label instructions d.using your friend’s prescription drug according to your friend’s instructions

The dimesions of health operate independently; they don’t affect one another. t or f

What is an aed? where are they found?