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:
1 Platinum is expensive but rarely reacts with our skin, so it is a great choice for people prone to staining or metal allergies. 2  Ask your jeweler if the piece can be coated with a new layer of metal (rhodium if it's white gold) or a clear protective film along edges that touch your skin. 3  Coat the jewelry with clear nail polish.