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.
To have gold in your possession itself is a satisfying feeling. It increases a person's self-worth. The person wearing gold displays increased self-confidence. It is pleasureful experience starting from buying a jewelry to wearing a jewelry till seeing it inside a decorative box. Gold has a special quality to make you feel happy and satisfied.
gold used in jewelry like wedding rings can come in many forms basic to understand the uses of gold in jewelry is karat karat with a k is the purity of gold carat with a c is a measure of weight use mostly in gem weight one carat is 1 5 gram karated gold used in engagement rings can be from 100 % gold to as low as 37 % gold gold s karat grade is used to express the proportion of gold in an alloy or the quality of a gold alloy