WHAT ARE CONVEX AND CONCAVE SLOPES ON CONTOUR LINES?????? NEED HELP URGENTLY
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The slopes where intervisibility is possible are called concave slopes while the slopes where intervisibility is not possible are called convex slopes.
irasangwan:
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slope in which intervisibilty can take place , is a concave slope
slope in which intervisibity cant take place is convex slope
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