Question

Why is heat important for cooking, drying clothes etc.....?

Answer 1

Cooking: Cooking is a daily routine at home followed by the man to make his food. Cooking helps keep the food tasty, easy to digest and also kill any microorganisms which might be harmful to health. Heat transference during cooking renders the food material and fiber more soft and pulpy.
Drying: Drying is done by removal of water from surfaces. This is possible by wind currents and even vacuum. But the most common method is by use of heat. Sun’s heat helps in drying clothes, soil and any other wet surfaces. Transferring heat to moist clothes set the water molecules into motion thereby they easily move away into the air leaving the cloth dry.

This is just 2 cases .Like these heat is very important in life.Everything want heat.