Which of these represents transfer of heat through convection when a pan of water is placed on an electric stove?

Water starts boiling and bubbling
Area surrounding the stove feels hot
Pan heats up when placed on burner
A metal spoon placed in the pan turns hot

Water starts boiling and bubbling

Explanation:

When liquid or gas present in the warmer areas rise to the cooler part of the gas or liquid then it is termed as convection.The gas that is moved to the cooler areas tend to move to the warmer areas once again and this pattern occurs continuously. Boiling of water in a container is a better example of the convection currents. So Water starts boiling and bubbling represents transfer of heat through convection.

i believe the answer would be:

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