Question

define nitrogen cycle

Answer 1

the nitrogen mix of 78% our atmosphere and nitrogen is also part of many molecules and essential to life like proteins nucleic acid DNA and RNA and some vitamins nitrogen is found in other biological important compounds such alkaloids in urea to nitrogen is does an essential nutrient for all forms in life would be simple if all this life forms could use the atmospheric nitrogen directly however there other than of few forms of bacteria life forms and not able to convert the comparative liquid nitrogen molecule into firms like nitrates and nitrites which can be taken up and used to make the required molecules is nitrogen fixing bacteria free-living obsessed with some species of dicot plants only the nitrogen fixing bacteria found in the roots of legumes Inspector reduce the nitrogen what is physical process during the high temperature and pressure created in the year convert nitrogen oxides of Nitrogen dissolve in water along with these are utilised by various form life forms

Answer 2

the series of steps by which atmospheric nitrogen is converted into its compounds and those compounds are taken by plants is called nitrogen cycle