When the air under the envelope is heated, the balloon lifts, Which of the following statements is true?

Question

When the air under the envelope is heated, the balloon lifts, Which of the following statements is true?
A. Hot air balloons use radiation to rise
B. Hot air balloons use conduction to rise
C. Hot air balloons use convection to rise**
D. Hot air balloons use air resistance to rise

Ms. Sue · Answer

Right!

samuel · Answer

c.Hot air balloons use convection to rise**