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When the Sun's heat warms the ground and air.
false
Cool air rushes in to replace the rising warm air.
Think about it either nose or mouth and the mouth has no means of filtration
The nasal cavity warms and moistens air as it enters the body.
It warms the air
When the Sun's heat warms the ground and air.
A convection current. The sun warms the ground/sea, this warms the air, the hot air rises, and cold air rushes in to take its place.
false
Cool air rushes in to replace the rising warm air.
Cool air rushes in to replace the rising warm air.
Mt. Kilimanjaro is very high. At high altitudes, it gets colder. That is because sunlight warms the ground which warms the air, so air that is very far from the ground tends to be cold. At when it is cold enough, you get snow.
Radiation
Think about it either nose or mouth and the mouth has no means of filtration
Because sunlight is absorbed mostly by solid objects (not the gasses of the atmosphere), so the ground heats up, and warms the air adjacent to it.
The sun!
The major contribution in heating the troposphere comes from the sun's radiation. The sun warms the ground by radiation, which in turn warms the air heating the troposphere.