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.
6.Gold gives extra sheen to the body: A person wearing a moderate amount of gold in the form of simple jewelry looks gorgeous. The color and soft shine of the gold is enticing. Gold has the malleability that helps to make beautiful jewelry, wearing of which gives a stunning appearance to the person wearing it. 7. Lowers arthritis symptoms:
Modern uses of gold in dentistry is usually in the form of white gold or gold alloys and include areas such as bridges, fillings, crowns, and orthodontic appliances thanks to gold being a bio-compatible metal.old in Jewelry: Until recently, jewelry constituted nearly all the demand for gold and stood far and away as the most common use of gold. The last several years has seen a rapid rise in the demand of gold as an investment however and today jewelry represents âonlyâ 45% of total yearly demand.