Can you guys help me? The question is : What is the relationship between the thermal energy of an object and the speed of sound?

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?

What type of electromagnetic waves does the human eye see as the colors red blue or green a visible light waves b radio waves c infrared waves d microwaves