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smitha0919 smitha0919
wrote...
Posts: 1
Rep: 0 0
9 years ago
A. ocean currents
      
B. runoff from land surfaces

C.meteorite collisions
      
 D.animal activities
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wrote...
Staff Member
Educator
9 years ago
C.meteorite collisions
Mastering in Nutritional Biology
Tralalalala Slight Smile
Rom
wrote...
9 years ago
C.meteorite collisions
Definitely.
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