Dvi sdnatmk vyavastha kya h or ise kyu apnaya gya h ?

1.	Dvi sdnatmk vyavastha kya h or ise kyu apnaya gya h ?
Answer» Jis desh me do sadan ek sath chlay jate hai use dvi sdnatmak vidhayika kehte hai ise issliye apnaya gya kiuki kuch sehro me dvi sadnatmak vidhayika hai<br>Pata nhi

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