What is true about the convection of air?

Question

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3 points
The atmospheric air likely to get warmest and start rising is at the equator
Less dense cool air rises
More dense cool air sinks
Less dense warm air rises

Answer 1

1. The atmospheric air likely to get warmest and start rising is at the equator - True
2. Less dense cool air rises - True
3. More dense cool air sinks - True