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General Knowledge
A beautiful and temperate planet of the past, which has now become the hell of the solar system,Wonders of the universe Venus planet
اردو میں پڑھنے کے لیے یہاں کلک کریں Wonders of the …
General Knowledge
Water logging and salinity:
WATER LOGGING, SALINITY AND DESERTIFICATION Water logging and salinity: Water loggi…