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The steps in the heating of water in a pot kept on a stove are listed below:
Step 1: Heat from the flame travels to the base of the pot.
Step 2: Heat from the base of the pot travels to the water near its base.
Step 3: Heat from the water near the base of the pot travels to the layers of water.
In which steps is heat transferred by conduction?
A. Step 3
B.Step 1 and Step 3
C. Step 1 and Step 2
D. Step 1, Step 2, and Step 3