How does mining affect local populations? a. mining is a vital part of the economy of surrounding towns. b. mining introduces pollution into local water supplies. c. mining disrupts local populations of flora and fauna. d. all of the above are true.

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.