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ICSE Class 10 Geography Question 7 of 10

Contours — Question 8

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Question

Question 8

Give two points of difference between Bench Mark and Spot Height.

Answer
Bench MarkSpot Height
These are marks etched on stone or a building to indicate the accurate height determined by surveys.It refers to the height of a point on the ground above the mean sea level.
It is written as "BM" followed by a number.It is represented by a dot followed by a number on the map.