Students in a biology class at TPHS were conducting an experiment regarding pH. After applying the indicator chemical to an unknown solution the majority of the students in the class noticed a change in the unknown solution from clear and colorless to bright pink. This is best described as... * quantitative data
qualitative data
an inference
not supported by evidence or opinion

What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.