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 attached photograph reveal about American society during World War II is that the People from different religious and ethnic backgrounds united in support of the troops. I hope the my answer helps you.
That everyone gets the same amount of representatives
Answer: bow and dog android
Explanation:
