Metal radiator. When hot water flows through the coils of the radiator , the metal heats up quickly by conduction and then radiates thermal energy into the surrounding air.
Answer: Metal radiator
sound wave cannot travel without a medium.
Answer:
it has made the study of chemistry systematic and easy. it acts as an aid to memory
The correct answer is neon
Answer:
Excited State
Explanation:
It's when electrons absorb energy and move to a higher level.