Question

Answer those two diagrams and get 50 points.( test )
wrong gives me 50 points

Answer 1

Push

As a result the ball will roll along the path until or unless an external force is applied.

Answer 2

Answer:

Convection is the transfer of heat due to the bulk movement of molecules within fluids, including molten rock. Convection includes sub-mechanisms of advection, and diffusion. Convection cannot take place in most solids because neither bulk current flows nor significant diffusion of matter can take place.