<span>The Earth’s internal "((HEAT))" source provides the energy for our dynamic planet, providing it with the driving force for on-going disastrous events such as earthquakes and volcanic eruptions and for plate-tectonic motion. </span>
Answer:
Nodes.
Explanation:
Nodes are a point that are on a standing wave that never move.
the enclosed may help. earth rotes and you and i are fixed to it. air flows it's own path ...