so who sinned first? Adam or eve?

‏‏‎Asif Ali Shaikh‎‏ مع ‏‎Furkan Deniz‎‏ و‏‏15‏ آخرين‏‏.

29 أغسطس، 2011 · 

so who sinned first? Adam or eve?

And how sin transfers? By a physical relationship between a man and woman?