lfadke7717 lfadke7717
  • 12-05-2018
  • Social Studies
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Earth's earliest atmosphere lacked which gas that is necessary for life as we know it to exist today?

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asmak525
asmak525 asmak525
  • 20-05-2018
Earth's earliest atmosphere lacks Oxygen, the gas necessary for life because it is a requirement for aerobic respiration.Oxygen does so many things for our body but It is the only respiration human body cells are capable of. Oxygen is needed for multiple reasons. It nourishes cells, allows the chemical transportation, helps toxins and waste material to break down and it supports and provides energy to our metabolism.


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