Different between breathing and cellular respiration I

What is the purpose of presenting a false dilemma in a speech?

What’s a example of extrusive rock that cooled to quickly for grains to form

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?