Answer:
Explanation:
the solution is given in the attached pictures
Answer: particles move closer together
Explanation: If the motion of particles slows the particles move closer together. This is because the attraction between them pulls them toward each other. Strong attractive forces hold particles close together. As the motion of particles increases, particles move further apart.
Here is a link that should help you out
http://instituteforenergyresearch.org/topics/encyclopedia/fossil-fuels/
Answer: Wave speed= frequency x wavelength
=20 x 3
=60 m/s
Explanation:
<span>B. velocity .................</span>