Page 22 - AIR
P. 22
Warm air
above the
land rises
As warm air rises, cold
air above the sea flows
The Sun warms up our Earth and causes the
to take up its space.
air around it to become warmer. Some places
on the Earth receive more sunlight and are This causes air to move
and creates wind.
warmer than other places. As a result the air
in some places is warm and in some places it
is cold
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