True or False: Almost all nitrogen molecules in the atmosphere were orig. embedded in soil on earth's surface?

True or False: Almost all the nitrogen molecules in the atmosphere were originally embedded in soil on the earth's surface.True or False: Almost all nitrogen molecules in the atmosphere were orig. embedded in soil on earth's surface?
Well...originally they were seeded here on Earth by comets and meteorites.





But I guess maybe your statement could be true. The nitrogen was in the form of ammonia, and was released (mostly) by denetrifying it into the atmosphere as N2.





http://adsabs.harvard.edu/abs/2006AGUFM.鈥?/a>





http://www.moorlandschool.co.uk/earth/ea鈥?/a>