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Oceans and Continents Formation Learning App Download - Earth Science Apps (iOS & Android)

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Oceans and Continents Formation Quiz App Download & e-Book PDF - 868

MCQ: 868

The upper mantle of the earth was cooled and became more dense at least

  1. 1.5 billion years ago
  2. 2.5 billion years ago
  3. 1.9 billion years ago
  4. 1.1 billion years ago

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Oceans and Continents Formation Apps (Android & iOS)

Oceans and Continents Formation App

Earth Science Apps (Android & iOS)

Earth Science App

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7th Grade Science App

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