What according to who , is the definition of health?

What are examples of the plant life and animal life that can be found in each type of terrarium

The combining form leuk/o means red true or false

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?