What was different about the fire Montag saw after leaving the river?

A. It was giving warmth and comfort, not destroying things.
B. It was only giving off low flames.
C. Those started by the firemen usually leaped hundreds of feet into the air.
D. It was a different color because it was fueled by natural wood instead of chemicals.
E. It was considerably cooler than the fires that the firemen ignited.

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Lightning is an example of what phenomenon? a release of a large amount of energy an absorption of a large amount of energy a natural electric circuit a natural electric current

A47.2 g block of copper whose temperature is 480 k is placed in an insulating box with a 91.8 g block of lead whose temperature is 200 k. (a) what is the equilibrium temperature of the two-block system? (b) what is the change in the internal energy of the two-block system between the initial state and the equilibrium state? (c) what is the change in the entropy of the two-block system? the heat capacities of copper and lead are 386 j/kg·k and 128 j/kg·k, respectively.