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.
The gold layer is less than gold filled, quite thin and will wear off faster than gold-filled. White Gold Jewelry combines pure gold with other white metals, such as zinc, nickel, platinum and silver. Durable and resistant to tarnish, White Gold jewelry is brittle and requires platinum or rhodium plating.