• dahyalal82 (25)in #save • 7 years ago

  Save earth

  In June 1972, representatives of the whole world gathered at Stockholm on June to be committed to conserve the environment. Issuance of notification for the environment. As part…

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• dahyalal82 (25)in #mangal • 7 years ago

  House keeping staff for mars rover going

  NASA's 'Opportunity Rover' is facing the biggest problem of its lifetime. The black dust on the Mars planet has hit black dust. Dust erosion means that the height of the highest…

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