The reason why the large-scale convection currents occur in the atmosphere is because Earth's rotation causes air at the equator to move much faster than air at the poles.
<h3>What is convection?</h3>
This can be defined to mean the circular motion that air is made to pass through.
This causes warmer air with faster molecules to be dense as the cooler air gets to the atmosphere.
Read more on convection here:
brainly.com/question/9382711
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