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!
White is the most common color of gold jewelry and results from mixing pure. gold with a white metal such as nickel or palladium. Pink, rose and red gold are. derived by adding copper to the mix; the greater the copper content, the redder. the gold. Silver is responsible for turning gold a pale greenish-yellow, while silver. combined with manganese and copper turns gold a pale shade of grey.