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.
Gold and Silver Jewelry not only adds beauty to a person who wears it, wearing gold and silver on the body has also numerous health benefits. I am presenting you the facts you may love. Go for them!
Gold is used for rings, watches, necklaces. Its main use is mostly jewelry, but gold leaf is used to decorate some foods, and gold also is used in a lot of high end electronicâ¦s because it is a good conductor. Gold is useful in making ornaments, decorative linings and in electrical contacts for better conductivity.