Answer:
Option C will be the correct one.
Explanation:
In a certain country, the heights and depths of a road are measured in relation to sea level. Sea level has a value of 0.
The lowest point of the country lies at −10 feet. The highest point of the country lies at +105 feet.
Therefore, the lowest point is 10 feet below sea level and the highest point is 105 feet above sea level.
Hence, option C will be the correct one. (Answer)