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.
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<em>Well, Your best answer will be is </em><em>D. The Secretary of State. </em><em>Because, The Secretary of State oversees the Department of State, which is the Executive agency that all Ambassadors and Diplomats live under. </em>
<em>Good Luck!~ </em>
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<span>The Brown vs Board of Education supreme court case was a turning point in the civil rights movement. This case was taken to supreme court after the city of Topeka denied the filing, and actually included 4 other schools. The ruling of the court was that separation of schools between white and black people is in fact unconstitutional.</span>
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florida had good farmland
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