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: Hear from the base of the pot travels to the water beat its base

Step 3: Heat from the water near the base of the pot travels to the upper 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