The equivalent concentration (symbol: ceq ), outdated It is a specific...
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The Nelson Yellowthroat ( Geothlypis nelsoni ) is a Widespread it is i...
Mårten Eskil Winge ( born September 21, 1825 Stockholm ...
Montonvillers ( Picard: Moutonvilé ) is a northern The municipality i...
The city wall of Xi'an (Chinese西安 城墙, Pinyin Xī'ān Thanks to...