Which undefined geometric term can be described as a one-dimensional set of points that has no beginning or end?

Answerweathering;

It is nonrenuable which means that once you have used it, it's gone forever.

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.