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:
Buying Gold Jewelry. Gold is available in a number of colors and carats. Pure gold is not suitable for use in jewelry, it is simply too soft to safely hold your precious stones. The carat rating of gold refers to its purity. The higher the carat rating the more pure the gold is. The other metals are added to improve strength and luster of the gold.