Some people say it is not a good idea to eat a large meal after exercising or before you go to bed. explain why this could be the truth or an old wives tale based on what you understand about how the neural and hormonal mechanisms control digestion.

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?