Respuesta :

Answer:

Friction: Rubbing your hands together to create heat

Conduction: Putting your body parts over something warm, for example a fire

Radiation: Laying in the sun to soak up the warmth

Answer:

Boiling water

Hot air balloon

Explanation:

Boiling water -  The heat passes from the burner into the pot, heating the water at the bottom. Then, this hot water rises and cooler water moves down to replace it, causing a circular motion.

Hot air balloon -A heater inside the balloon heats the air and so the air moves upward.