Which statement is true about an electric circuit?
A. Circuits are like circles or loops for electric charges to
flow through
B. Circuits are straight paths that don't connect.
C. Circuits are chemical reactions.

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.