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 Gold is used as an input in products. 2  Since gold is used in the production of various products including jewelry and electronics, there is a reliable demand that further stabilizes the price of gold. 3  Moreover, in times of increased demand, these markets can force the price of gold higher.hile gold can be a great investment for a number of reasons outlined above, be aware of the disadvantages before investing: 1  Gold doesnât earn passive income. 2  Other investments such as stocks and bonds may derive a portion of their value from passive income in the form of interest and dividends.