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Subject: EVS, asked on 12/4/11

what is a glacier?

Subject: EVS, asked on 12/4/11

what is silt?

 

Subject: EVS, asked on 3/1/13

what is the importance of silt ?

Subject: EVS, asked on 22/1/11

how does the snow in the Himalayas melt?

Subject: EVS, asked on 22/7/15

what is silt.

Subject: EVS, asked on 24/10/10

what is silt ?

 

Subject: EVS, asked on 11/10/10

what is textile

Subject: EVS, asked on 19/12/10

what  is  silt

Subject: EVS, asked on 15/11/10

what is silt

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