.................. is the most abundant 90% of all atoms.

1.	.................. is the most abundant 90% of all atoms.
Answer» <html><body><p>Lithium<br/><a href="https://interviewquestions.tuteehub.com/tag/hydrogen-22331" style="font-weight:bold;" target="_blank" title="Click to know more about HYDROGEN">HYDROGEN</a><br/>Oxygen<br/>Silicon<br/></p>Solution :Hydrogen</body></html>

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