Which describes why nonrenewable energy resources are used more frequently than renewable ones? a. they are easier to locate. b. most are nonpolluting. c. they are inexpensive to use. d. they are easier to replace.

The text compares alternating current with direct current. how are they different? a alternating current reverses direction in the electrical wiring. direct current flows in one direction only. b direct current reverses direction in the electrical wiring. alternating current flows in one direction only. c direct current is powered by solar energy. alternating current is powered by electrical energy. d alternating current does not move in the electrical wiring. direct current does move in the electrical wiring.