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.
1 Pure gold is not used as jewelry because it is too soft and would be damaged and misshapen too easily. 2  Some gold salts are used in medicine as they have anti-inflammatory properties. 3  In modern times, injectable gold has been proven to help to reduce the pain and swelling of rheumatoid arthritis and tuberculosis. Gold use to be used to measure how much currency was worth until the world moved to finite money. 2  Gold is used in all different types of jewelry. 3  The higher the content of gold in a piece, the higher the caret rating. 4  Pure gold is not used as jewelry because it is too soft and would be damaged and misshapen too easily.