The answer should be "The diagonals of the parallelogram are congruent"
BTW you labeled your question as geography.... it's geometry so it should be under math...
D.mesa mesa is table in spanish, technically mesa's arent supposed to have a slope.
The extrusive igeous rock cools very fast and is made by lava, but because it cools so fast extrusive igneous rocks they have really small crystals. Now the intrusive igneous cools really slow beneath the surface, and is made by magma.
hope this helps :p
