If A and B are two non empty sets then cartesian product of A and B is----------

• A. AΧB={(a,b);a,bϵA}
• B. AΧB={(a,b);a,bϵB}
• C. AΧB={(a,b);aϵAand bϵB}
• D. AΧB={(a,b);aϵBand bϵA}