earths history

earths history

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  • Big Bang Theory 13.8 billion years ago! changing our galaxy forever by making our universe spring into existance
  • The  sun and stars formed 4.5-6 billion years ago giving humans a way to populate
  • The Moon and Earth formed 4.5-6 billion years ago giving humans ways to poulate
  • The Earths first lakes, rivers, and seas were made almost  4.4 billion years ago and kept trees alive and helped the trees produce food
  • First Cells made 3 billion years ago, the cells started the process called photosynthesis which brought oxygen to the earth alowing more population
  • First plants formed on earth 470 million years ago and used photosynthesis to create more oxygen and more development on earth
  • First Cells made 3 billion years ago
  • citing:
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