Answer:
The scale of a map is the ratio of a distance on the map to the corresponding distance on the ground. This simple concept is complicated by the curvature of the Earth's surface, which forces scale to vary across a map. Because of this variation, the concept of scale becomes meaningful in two distinct ways.
Explanation:
The answer would be : D. Ocean
The earth consist of more than 70 % of water.
And from that 70 % ,
97 % of them is located on the Ocean
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