Which activities are part of managing water resources? check all that apply. making water purer through processes such as desalination studying water to see whether it is polluted building reservoirs to store water until it is needed drinking water and using it for swimming and boating transporting water to areas where it is needed

Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above

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.

How energy move through ecosystem ?