Answer: Hot air is less dense than cool air; the heated air causes the balloon to rise simply because it is lighter than an equal volume of cold air. Buoyancy is an upward force that the air exerts, and it helps hot-air balloons and blimps stay in the air. A hot air balloon uses a burner to heat up the air inside the balloon.
The forces trying to overthrow the republic in the Spanish Civil War were led by <span>Francisco Franco.</span>
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Christopher columbus in 1492.
Answer:
African-Americans fought for both sides, providing manpower to both the British and the revolutionaries.
Explanation:
I believe its because religion is more of a deep common subject talked about compared to rationalist approaches of greek and Confucian philosphy