Answer:
Albertina Sisulu, Mary Moodley, Amina Cachalia, Liz Abrahams and Bertha Mashaba.
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.
Answer:
i'd love to....but....you didnt include the actual topic in the question!
D. Whether or not fugitive slaves who escaped to free states were legally free.
Because the Silk Road was too long to travel so they wanted a shorter way to Asia.