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SAI INTERNATIONAL SCHOOL
Std VII GEOGRAPHY LESSON 4- AIR
MINDMAP 2
STRUCTURE OF
ATMOSPHERE
TROPOSPHERE MESOSPHERE EXOSPHERE
STRATOSPHERE THERMOSPHERE
above the the
is the lowest stratosphere
layer of Earth's and below the above the outermost
region of a
atmosphere, above the mesosphere and planet's
troposphere, thermosphere
extending to below the atmosphere.
about 50 km exosphere.
above the
earth's surface