In which of the following cases contour lines of different elevations can intersect?1) Caves, 2) Vertical cliffs, 3) Hills, 4) Overhanging Cliff

In which of the following cases contour lines of different elevations

1.	In which of the following cases contour lines of different elevations can intersect? 1) Caves, 2) Vertical cliffs, 3) Hills, 4) Overhanging Cliff
A.	1) and 2)
B.	Only 1)
C.	1), 2) and 4)
D.	1) and 4)
Answer» E.