Question

fissure means :
a hexahedron with six equal squares as faces
inherited properties shared with others of your bloodline
a long narrow depression in a surface
special advantage or influence
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Explanation:

The word "fissure" refers to a long, narrow opening or crack on a surface. The other options describe different concepts: a hexahedron with six equal - square faces is a cube; inherited properties shared with others of your bloodline are related to genetics; special advantage or influence is not the meaning of "fissure".

Answer:

C. a long narrow depression in a surface