It rises because hot air is less dense than cool air.
It is B. if i'm not mistaking
Reaction is the answer. If you're wondering why, all you need to do is look up the definitions of the words.
Answer: Convection is the transfer of heat in fluids such as liquids and gases.
Explanation: Any difference in their temperature will cause a transfer of heat. For convection warm fluids rises since it becomes less dense and cooler fluids sinks.
Answer:
A: Sunlight contains ultraviolet waves only.
Explanation:
Hopefully this helps!
