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Glossary of Considering Gods Creation: Our Planet Earth

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biosphere
layer of earth that supports life, including land, sea, and air
core
the center of the earth, consisting of molten ore
crust
hard, outer covering of the earth - 19 to 22 miles thick
earthquake
movement in the earth's crust
mantle
the middle layer of the earth
volcano
an opening in the earth through which gases, ash, and lava are ejected
atmosphere
the blanket of air surrounding a heavenly body
exosphere
the outer-most layer of atmosphere
mesophere
the middle layer of air
ozone layer
a protective layer of condensed oxygen
sphere
globe
stratosphere
the second layer of air above the earth's surface
thermosphere
the very cold upper layer of air which contains many electrically charged atoms
troposphere
the layer of air closest to the earth's surface

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