Blue Planet
If we removed all the water in the oceans of the Earth to form a giant sphere, what would its
diameter
be in km?
The picture shows all the water in the world (of which only 3% is fresh water). Is it the right scale?
Details and assumptions:
- The oceans cover approximately 70% of Earth surface.
- Assume the average depth of the oceans is 3.7 km.
- Earth's radius is 6400 km.
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1 solution
