Until 2008, the people of the fictitious nation of dor relied mainly on private car companies to determine how many automobiles to produce. after 2008, the people of dor have been relying on the dor government to determine how many automobiles to produce. this represents a shift in the economic system of dor from

Market System to Central Planning.

Explanation:

People of Dor relied on the private car companies determine the number of  automobiles or cars to produce.After 2008 the Dor government has taken the charge of determining the number of automobiles to produce.This is a shift in Dor's economic system from the market system to central planning means the decisions of producing what,how and for whom are taken by the government.

~kinetic ~potential

explanation:

kinetic and potential energies would be types of mechanical energies.

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