Select the correct answer. how does the law of conservation of energy apply to machines? a. machines create energy from scratch. b. machines consume energy until no energy remains. c. energy transferred to a machine equals energy transferred from it. d. engineers break the law of conservation of energy by using machines.

Which of the following describes silver? a. a material that has a high resistance and prevents charges from moving freely b. a material that has a low resistance and allows charges to move freely c. a material that has a low resistance and prevents charges from moving freely d. a material that has a high resistance and allows charges to move freely