What was hooke’s microscope used for

The chemical form of energy that is useable by the cell to do work

Which atmospheric later is where earths northern and southern lights occur

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?