Oceans and Continents Formation MCQs Quiz Worksheet PDF Download

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Study elementary school courses, online earth science degree programs MCQs: earliest evidence of life on earth are presence of, for online courses with choices dinosaur, dolphin, stromatolites, and stalagmites with 6th, 7th and 8th grade science tests from textbooks with teaching resources and teaching guide questions. Free Earth science student portal for online learning oceans and continents formation quiz questions, MCQs to find questions answers based online learning tests.

MCQs on Oceans and Continents Formation Quiz PDF Download

MCQ: Earliest evidence of life on earth are presence of

  1. dinosaur
  2. dolphin
  3. stromatolites
  4. stalagmites


MCQ: When lighter materials from surrounding gathered and rose, there is found creation of

  1. ocean
  2. dunes
  3. continent
  4. island


MCQ: Presence of life have enormous impact on Earth as it added to earth's atmosphere lots of

  1. carbon dioxide
  2. oxygen
  3. nitrogen
  4. hydrogen


MCQ: Upper mantle of 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