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!
Pure gold is very soft, So it can't be used for jewelry. So impurities are added to make it stronger. Most gold jewelry is 18 karat or less to make it so that it lasts longer, and doesn't wear away. Aisian jewellery is pure gold, 24 carat, 999.9 fine. Its heavier (although often made hollow) very,very soft, and a very yellow, in colour.