16. much discussion has focused on the need to drive more efficient cars and use less electricity. If the law of conservation of energy is true. why are people concerned about energy usage? the problem is that the original form of the energy (gasoline) is now mechanical energy and is of no use once wasteful. to make it usable again it need to be gasoline which takes an extremely long process in nature. 17. if heat flows in only one direction, how can both hot and cold liquids reach room temperature as they sit on a table? the heat from the hot object goes in the air and the air goes to the cold liquid 18. think about what happens to jack and jill in the nursery room. what kinds of enrgy are used? how was each energy form used? if they are walking they are using kinetic energy but if they are sit down they are using potential energy 19. compare the 3 temperature scales you learned about. how are they different? how are they similar? the Celsius scale is based on 0°. ma...
Exodermic = EXOTHERMIC
ResponderBorrarExdodermic= ENDOTHERMIC
90%