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:
Onyx guards against negativity. Onyx jewelry is worn to defend against negativity that is directed at you. Black stones have protective energies in the sense that black is the absence of light, and therefore, can be used to create invisibility. 1  Fortifies self confidence and responsibility. 2  Sharpens your senses.