Which of these is an illuminated source of light? a. the sun b. a star c. the earth seen from the moon d. a meteorite as it burns up in the atmosphere ***ooh i don't know this one at all!

Answer as quick as ! kate is working on a project in her tech education class. she plans to assemble a fan motor. which form of energy does the motor convert most of its electric energy into? a. light energyb. motion energyc. sound energyd. thermal energy

In the first law of thermodynamics, triangle e=q-w, what does q stand for

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell