Answer:
The elevation of Madras hometown is 0 ft ( representing the surface level elevation)
Explanation:
Here, we want to get the elevation of madras hometown
From the question, we are told that Madras home town is 8 feet higher
-8 feet symbolizes a height that is below the surface
Adding 8 to -8 , we have an elevation of -8 + 8 = 0 feet
What this means is that the elevation is exactly at the surface