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  1. Q1. 1.What are slabs ? Answer: Slabs are portions of plates that...

  2. I Think...( I don't know some of them too) slabs (portions of plates that extend down into the Earth) drive convection...

  3. ...chambered, and dolmens, single-chambered, were graves with a huge stone slab stacked over other similarly large stone slabs . They have ...