Air from the outside is:

a. warmed, dried and cleaned by the nose and mouth

b. cooled, dried and cleaned by the nose and mouth

c. cooled, moistened and cleaned by the nose and mouth

d. warmed, moistened and cleaned by the nose and mouth

How much work does the charge escalator do to move 2.30 μc of charge from the negative terminal to the positive terminal of a 3.00 v battery?

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.

Idon’t quite understand this problem