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Why is Earth nicknamed the “blue planet”? A. The global oceans have tinged the land with a blue color. B. Nearly 71 percent of its surface is covered by oceans. C. Ocean waters reflect in the sun light, lending a blue hue. D. The continents appear dark blue in satellite photographs.

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dyerjjg
I would think the answer is b

Answer:

The Earth is nicknamed as a 'Blue Planet' because nearly 71 percent of its surface is covered by oceans.

Explanation:

  • The Earth is covered by a unibody made up of oceans which span 71% of the Earth's total surface area.
  • These oceans appear dark blue in color when viewed from the space.
  • The depth of the oceans and the scattering of light are the factors responsible to make the oceans appear blue.
  • Thus, it is because of the dominance of the blue colored oceans on the 'surface of the Earth', the Earth is nicknamed as a blue planet.

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