Answer:
Friction between the wheels and track causes energy to leave the system in the form of heat.
Explanation:
D, because that one starts with "why" which automatically opens it up for an argument. While the others are just simply statements or just a basic question.
Answer:
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Explanation:
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The Iron Curtain <u>symbolized the ideological conflict and physical</u> boundary dividing Europe into two separate areas from the end of the World War ll in 1945 until the end of the Cold War in 199....