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Tuesday! Tuesday!
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8 years ago
Life on this planet exists in only a thin surface layer of soil and water and the air immediately surrounding it.  This is called the:
A) ecosphere.
B) atmosphere.
C) photosphere.
D) biosphere.
Textbook 
Social Problems

Social Problems


Edition: 10th
Authors:
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Using Social Problems, 10th
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CurtisJCurtisJ
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Tuesday! Author
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8 years ago
this is exactly what I needed
jblazah
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Yesterday
Good timing, thanks!
IvanaVR
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2 hours ago
Thanks for your help!!
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