Oceans and Continents Formation MCQs Quiz Worksheet PDF Download
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MCQs on Oceans and Continents Formation Quiz PDF Download
MCQ: Earliest evidence of life on earth are presence of
MCQ: When lighter materials from surrounding gathered and rose, there is found creation of
MCQ: Presence of life have enormous impact on Earth as it added to earth's atmosphere lots of
- carbon dioxide
MCQ: Upper mantle of earth was cooled and became more dense at least
- 1.5 billion years ago
- 2.5 billion years ago
- 1.9 billion years ago
- 1.1 billion years ago