![](default/images/spacer.gif) |
(13114)
north america,
antarctica,
europe,
asia,
africa...
|
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(80)
crust,
mantle,
core...
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(9773)
polar,
global,
mid-latitude,
northern hemisphere,
arctic...
|
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(143)
solar region,
earth magnetic field...
|
![](default/images/spacer.gif) |
(5531)
atlantic ocean,
southern ocean,
pacific ocean,
indian ocean,
arctic ocean...
|
![](default/images/spacer.gif) |
(1359)
troposphere,
boundary layer,
sea surface,
land surface,
sea floor...
|
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