Which heavenly bodies are involved in causing the earths tides?
a. only the moon and earth.
b. only the earth.
c. the earth, moon, and sun.
d. all the planets plus the moon.

Groups of organs that work together to complete a process in the body are called: a. cells b. tissues c. nerves d. systems

In physics the desire of an object to keep doing what it is doing is termed?

Although longitudinal waves can travel through all media types what is the disadvantage of this type of wave transmission? a) he efficiency of he wave transmission is greatly diminished as the media becomes less dense b) the oscillation of one set of particles has a huge impact on neighboring particles c) particles become too close together as they bump into each other making it more likely to hit other particles down the line