James is looking at a parallel circuit plan for lighting. there is a battery providing the power. there are switches labeled a, b,c, d that can be turned on to close the circuit. which switch does not have to be on for light 3 to function?

Two metal blocks that have slightly different temperatures are placed next to one another. after five minutes, they both have lower but equal temperatures. according to the law of conservation of energy, what  most likelyhappened? energy was created inside the blocks. energy was destroyed inside the blocks. energy was absorbed into the blocks from outside the system. energy was transferred from the warmer block to the cooler block.