How many bands of air circulation occur around the world ? A.2 b.4 c.6 d.8

Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.

How can you measure the amplitude of a longitudinal wave?

It is advised not to hold the thermometer by the bulb while reading it