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!
It is the alloy that gives gold jewelry the color you see. White gold has an alloy mixture that contains nickel and other metals. More nickel in the mix, the whiter the gold will appear. Conversely the higher the gold content (for example 18K) the more yellow, white gold will appear.