What is the biggest challenge to wind energy? a. The expense of construction
b. It takes too long to build a large wind farm
C. Wind is intermittent
d. People don't like the turbines blocking views

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.

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

In automobile steering wheel is shown what is the ideal mechanical advantage blank? if the ama is eight what is the efficiency of the steering wheel?