Describe the nitrogen cycle and how it is affected by human activity. Nitrogen is converted from atmospheric nitrogen (N2) into usable forms, such as NO2-, in a process known as fixation. The majority of nitrogen is fixed by bacteria, most of which are symbiotic with plants.
Tumble polished unakite pebbles. First discovered in the United States in the Unakas mountains of North Carolina from which it gets its name, unakite is an altered granite composed of pink orthoclase feldspar, green epidote, and generally colorless quartz. It exists in various shades of green and pink and is usually mottled in appearance.
WikiTree is a free community of genealogists. If you agree with our 9-Point Honor Code we'd love your help filling in the blanks and fixing mistakes. This COX index was pre-built so it loads quickly. Click here for live data and advanced tools for collaboration, genetic genealogy, surname projects, etc. Lemuel Cox 12 Jul 1789 Malden, Middlesex, Massachusetts, United States - 03 Dec 1853 managed by Donna Johnson last edited 15 Apr 2017.