Joe places a whole orange on a scale and finds that the reading on the scale is the same as when he cuts the orange into segments and places all of the segments on the scale at one time. The readings on the scale show an example of which scientific law?

the law of conservation of mass

the peripheral nervous system or pns contains the nerves, which leave the brain and the spinal cord and travel to certain areas of the body. the peripheral nervous system's main job is to send information gathered by the body's sensory receptors to the cns as quickly as possible.

where in your body is there an enzyme that does function at a high or low ph? what is the name of that enzyme and its function?