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A New finding about the upper atmosphere B Stratosphere C Ionosphere D The composition of the permanent gases in the atmosph
A New finding about the upper atmosphere B Stratosphere C Ionosphere D The composition of the permanent gases in the atmosph
admin
2009-06-15
76
问题
A New finding about the upper atmosphere
B Stratosphere
C Ionosphere
D The composition of the permanent gases in the atmosphere.
E The suspension of dust
F Tropophere
A at constant rate
B in a few years
C an the weight of the atmosphere
D within the troposphere
E oxygen and nitrogen
F it consists of electrically charged particles called irons which from sun
选项
答案
E
解析
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