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Geography Optional 300+ Score Pack · Model answer

Give a detailed account of bottom topography of the Pacific Ocean.

  • UPSC 2021
  • Oceanography

The Pacific Ocean covers about 165 million km² — more than all the land on Earth combined — with an average depth of about 4,300 m and the planet's deepest point, the Challenger Deep (about 10,935 m).

You are reading the opening of the model answer. The full answer is part of the Geography Optional 300+ Score Pack.

What the full answer covers

  • Continental Margins — Shelf, Slope and Rise
  • Trenches and Island Arcs — the Deepest Relief on Earth
  • The East Pacific Rise — the Divergent Margin
  • Deep-Ocean Basins, Seamounts and Guyots
  • Recent Advances in Mapping the Pacific Floor

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