The central nervous system controls the functions of the body and mind. It consists of the brain, spinal cord, and neurons. It is the most important system of the body.
The answer to the above question, is C. the main two sources are wind and sun (wind turbine and solar panels).
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Continental crust is typically 40 km (25 miles) thick, while oceanic crust is much thinner, averaging about 6 km (4 miles) in thickness. The effect of the different densities of lithospheric rock can be seen in the different average elevations of continental and oceanic crust.
Explanation: