dip both bird feathers in the oil, completely immersing them. record how the appearance and weight of the feathers change because of the oil. also, predict what will happen when you try to clean off the feathers by dipping them in hot or cold water

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.