Answer:
Convection
Explanation:
Convection is heat transfer by the movement of currents within a fluid. During convection, heated particles of fluid begin to flow. This flow transfers heat from one part of the fluid to another.
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Answer:
Soldiers in the outer parts of the Roman Empire often supported local commanders instead of the emperor./Incompetent rulers placed huge tax burdens on the Roman citizens.
Explanation: sorry if its rong. :(
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Answer:
I believe China, or Yellow River civilization.
AIDS would be the disease you're referring to:)<span />
