Key Concepts: 1  Legumes (family Fabales) develop root nodules that harbour Rhizobium bacteria (rhizobia). 2  Endosymbiotic bacteria (bacteroids) convert nitrogen to ammonia (biological nitrogen fixation). 3  Legume crops restore fertility to agricultural soils by capturing nitrogen from the atmosphere.
Benefits of Wearing Gold: 1. Gold has healing property: Pure gold helps in healing the wound and controlling infections in the body. It is said that if a person places a piece of 24 karat gold (pure gold) on an infected area in the body or on a sore wound, the gold helps in reducing the infection.
Common Uses of Gold. Gold in Jewelry: Until recently, jewelry constituted nearly all the demand for gold and stood far and away as the most common use of gold. The last several years has seen a rapid rise in the demand of gold as an investment however and today jewelry represents âonlyâ 45% of total yearly demand.old in Jewelry: Until recently, jewelry constituted nearly all the demand for gold and stood far and away as the most common use of gold. The last several years has seen a rapid rise in the demand of gold as an investment however and today jewelry represents âonlyâ 45% of total yearly demand.