Figure 17-1 shows a wave movement during 1 second. what is the frequency of this wave?

a. 2 hertz
b. 2 meters/second
c. 0.5 second
d. 1 hertz

What can be found in every skeletal muscle? a. nerves, bones, cartilage, and connective tissue b. tendons, cartilage, nerves, and blood vessels c. muscle fibers, nerves, connective tissue, and blood vessels d. tendons, nerves, blood vessels, and bones

What is created when solids,liquids,an gases mix with one another

How is sound energy produced a. vibrating objects b. objects being heated c. temperature differences d. stationary objects