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.
Gold and Silver Jewelry not only adds beauty to a person who wears it, wearing gold and silver on the body has also numerous health benefits. I am presenting you the facts you may love. Go for them!
Uses of Gold. 1  Some investment and collectors coins are still made from gold. 2  Gold is used in all different types of jewelry. 3  Some gold salts are used in medicine as they have anti-inflammatory properties. 4  In modern times, injectable gold has been proven to help to reduce the pain and swelling of rheumatoid arthritis and tuberculosis. 5  Colloidal ... 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.