Mai filled two balloons with the same amounts of water, sugar, and yeast. She put one on a table in the classroom. She put the other on a sunny windowsill. Which reasoning explains why Mai observed that the balloon in the window grew larger in size? The windowsill area is cooler.

The windowsill area is warmer.

The classroom table area is warmer.

The classroom table area is the same temperature as the windowsill.