Answer:
Friction between the wheels and track causes energy to leave the system in the form of heat.
Explanation:
The Continental army of General Washington were camped in the Valley Forge in 1777 - 1778. There was no war in the valley yet it was here that the troop had almost quit. They were here blood, war - beaten, and batle - weary.
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The development of the Bessemer process affected the growth of cities because It enabled the mass production of steel, which was used to build new factories.
<h3>What is the Bessemer Process</h3>
The Bessemer process is a steel-making process, now largely superseded, in which carbon, silicon, and other impurities are removed from molten pig iron by oxidation in a blast of air in a special tilting retort
known as a Bessemer converter.
Through the development of the Bessemer process, more cities were built.
learn more about Bessemer process at brainly.com/question/342441
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The end of the Ice Age meant that there was going to be much more water than land. That flooded the ways of transport that Early People had, the result was that it as even more difficult finding food and shelter.
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