Answer:
Explanation:
Studying history enables us to develop better understanding of the world in which we live. Building knowledge and understanding of historical events and trends, especially over the past century, enables us to develop a much greater appreciation for current events today.
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What layer of earth are they in?
Lithosphere
What are they floating on?
The asthenosphere (the weaker upper mantle)
What makes them move?
The intense heat from the earths core that causes molten rock in the mantle layer to move. It moves in a pattern called convection cells that forms when warm material rises, falls, and sinks down.
