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:
The gold layer is less than gold filled, quite thin and will wear off faster than gold-filled. White Gold Jewelry combines pure gold with other white metals, such as zinc, nickel, platinum and silver. Durable and resistant to tarnish, White Gold jewelry is brittle and requires platinum or rhodium plating.