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:
Gold has many uses in the production of glass. The most basic use in glassmaking is that of a pigment. A small amount of gold suspended in the glass when it is annealed produces a rich ruby color. Gold is also used when making specialty glass for climate controlled buildings and cases.bout 78% of the gold consumed each year is used in the manufacture of jewelry. Special properties of gold make it perfect for manufacturing jewelry. These include: very high luster; desirable yellow color; tarnish resistance; ability to be drawn into wires, hammered into sheets or cast into shapes.