Question

A simplified model of atmospheric convection is shown here. Which of the statements explains how convection occurs to move energy around the Earth? Select ALL that apply.
Responses
A The warmer air rises within the atmosphere.The warmer air rises within the atmosphere.
B Colder air moves northward while warmer air moves southward.Colder air moves northward while warmer air moves southward.
C Warmer air moves to the west while colder air moves to the east.Warmer air moves to the west while colder air moves to the east.
D Colder air in the atmosphere is denser and sinks down to the Earth.Colder air in the atmosphere is denser and sinks down to the Earth.
E The solar energy makes the surface of the Earth warmer than the atmosphere.The solar energy makes the surface of the Earth warmer than the atmosphere.

Answer 1

A, D, and E.

- A: Warm air is less dense and rises.
- D: Colder air is denser and sinks.
- E: Solar heating warms the surface more than the air above it, driving the convection cycle.