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.
Gold is used for rings, watches, necklaces. Its main use is mostly jewelry, but gold leaf is used to decorate some foods, and gold also is used in a lot of high end electronicâ¦s because it is a good conductor. Gold is useful in making ornaments, decorative linings and in electrical contacts for better conductivity.