3. Hot air _____________ and cold air _____________ due to ___________.

*
1 point
falls; rises; gravity
rises; falls; gravity
rises; falls; bouyancy
falls; rises; bouyancy
4. Convection does NOT occur in
*
1 point
gases
liquids
solids
fluids

1 answer

  1. Hot air rises and cold air falls due to gravity.

  2. Convection does NOT occur in solids.