4 pages (1000 words)
This research tells that out of the gaseous and sedimentary cycles, the two basic types, the former is global. The reason being its major nutrient pools are the atmosphere and the oceans, hence making it so. “The three most important gases for life are nitrogen, oxygen and carbon dioxide. They are present in steady quantities of 78, 21 and 0.03 percents respectively, in an atmosphere”.