Why is it a good idea to restate what you heard someone say in your own words? This demonstrates to the other person that you care about what he or she said.
This lets you have a chance to talk instead of only listening.
This can reduce the chances of a miscommunication.
This shows that you care about what the person has said.

Its so boring anybody wants talk

Afisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. it takes a time of 2.20 s for the boat to travel from its highest point to its lowest, a total distance of 0.670 m . the fisherman sees that the wave crests are spaced a horizontal distance of 5.80 m apart. (a) how much is the wavelength? (b) find the period of the wave. (c) how fast are the waves traveling? (d) what is the amplitude a of each wave?