A) batteries.
B) generating static electricity and trapping it in a series of wires.
C) moving a coil of wire through a fixed magnetic field.
D) transduction.
E) the direct capture of electrons (i.e., "catching lightning in a bottle").

A) cities replacing farms as the centers of population.
B) replacing human labor with machines.
C) any large change in political policies.
D) replacing feudalism with capitalism.
E) deforestation of pristine areas.

A) steam is a preferred energy source.
B) electricity is used to replace human and animal power.
C) wires must carry electrical currents.
D) another source of energy must be used to generate electricity.
E) electricity is less important than coal, gas, and hydropower.