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