When liquid water is heated by the sun, it often evaporates, becoming a gas and entering the atmosphere. when gaseous water is cooled, it often condenses. these reverse processes are both part a. the circulatory system b. transpiration. c. the water cycle. d. photosynthesis.

Dr. arenas is a scientist who has been trying to determine if increasing pressure will increase the sound that occurs when two chemicals explode. it measures the volume of the sound that occurs at the minimum pressure at which the explosion will occur. it then increases the pressure and measures the volume of the explosions that occur. what kind of investigation is the scientist conducting?