What is it called when energy transfers between objects until they reach the same temperature and their particles move at the same rate?

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral

Stage in which a typical star has completely stopped fusion

Light waves travel than sound waves.