1. A bicyclist travels for 1.5 hours at an average speed of 23 km/h. How far does the bicyclist travel in that time?

Identify the theory that can be used to explain each phenomenon. answers diffraction: wave theory interference: wave theory reflection: both particle and wave theories refraction: both particle and wave theories

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell

By what primary heat transfer mechanism does the sun warm the earth?