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in a circuit, what do light bulbs and a toaster represent?

The particles of an ice cube at 0°c (represented by the blue circles) come in contact with the particles of juan’s hand at 37°c (represented by the orange circles). which diagram correctly represents the temperature of the two substances and the direction of heat flow?

Around faucet handle is part of a(n) a. lever b. screw c. inclined plane d. wheel and axle

What is the mass of the same rock on the earth