Question

which is an example of convection?
in a mountain forest, the sun heats up the ground.
on a hot day, amaya pours water on her face to cool off.
at the beach, stephans feet get hot walking across the sand.
above the sea, warm air rises, cools, and sinks.

Explanation:

Convection is the transfer of heat by the movement of a fluid (liquid or gas). In the case of warm air rising, cooling, and sinking above the sea, it is a classic example of convection currents in a gas (air). The other options involve radiation (sun heating the ground, feet getting hot on sand) or evaporation (water on face to cool off).

Answer:

D. Above the sea, warm air rises, cools, and sinks.