What term describes an energy recourse that can be used up?

Why does your clothes come out of the washer steaming hot but you have put it on cold cycle? How do you resist heat gain in buildings? What do people use heat conductors for? What word that means half of a sphere? What creates images of deep body structures by recording the echoes of pulses of sounds waves that are above the range of human hearing? What increases when a wave period decreases.? What happens to the light wave after it stikes the mirror? Why semiconductors better than conductors? What is the short leg on the LED? How do you take readings from a micrometer screw gauge? Where The more a mechanical wave has the greater its amplitude? An experiment in which only one variable is manipulated at a time is called? What did Nikola Telsa discover? Is kinesis real? How do you tell apart in space 2 identical boxes one filled with heavy metal parts and the other with light plastic parts without opening the boxes up? What is a person called who makes mirrors? What can a permanent magnet effect? What discovery lead j.j Thomson to decide that atoms were not indevisble but are actually composed of smaller parts? What is the force that causes attraction between objects that have mass called? Can electrons move or cannot move from one object to another when rubbed together?

What term describes an energy recourse that can be used up?