A contour line consists of points that are all at the same elevation, and each line has a different elevation. If two lines crossed, the point where they cross would be a point on both lines, so it would be a point that has two different elevations. That can't exist.
<span>Risk of exposing confidential data:
</span>
<span>Synchronizing the deliverables
</span>
Hidden costs,<span> Lack of customer focus</span>
I think the answer is d not a 100 % sure
