# The entire surface area of the earth is 510 million km2. How many square kilometers is the surface

July 29, 2021 | education

| **The entire surface area of the earth is 510 million km2. How many square kilometers is the surface area of water if the land surface area is 149 million km2?**

The entire surface area of the Earth consists of land area and water surface area.

We know the surface area of the land and the entire Earth.

This means that we can also find the surface area of the water.

The surface area of the water is 510 – 149 = 361 million km2.

Answer. The surface area of the water is 361 million km2.

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