Which of the following is an example of sound energy?

a. a tv signal lost bc of a storm
b. the waves from a star seen in the sky
c. a light bulb giving off energy as heat
d. waves moving through air after a crash

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

How do cracks affect the rate of weathering?