Hot air _ and cold air _ due to _

A. falls; rises; gravity

B. rises; falls; gravity

C. rises,; falls; bouyancy

D. falls; rises; boyancy

5 answers

C. rises, falls; bouyancy

4. Convection does NOT occur in *
• gases
• liquids
solids
• fluids

solids

5. Radiation allows heat to travel through empty space (a vacuum) without a medium.
True or false?

True.

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