The cross section of rectangular prism a measures 1.5 units by 1 unit. the cross section of triangular prism b has a base that measures 2 units and a height of 1.5 units. if the length of each prism is 1.81 units, which statement is true?

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1. d: oceanic crust is thicker and contains a lot of granite2.d: where two continental plates are colliding  3.b.contour boundaries4.b.plates that are attracted to each other by gravity5.a.as two continental plates collide along a convergent boundary, mountains are formed.