Which of the following is the statement written as a biconditional? If I sing then I am happy, and if I am happy , then I am singing. (1 point) Responses I sing if and only if I am happy. I sing if and only if I am happy. If I sing than I am happy. If I sing than I am happy. If I am not singing, then I am not happy. If I am not singing, then I am not happy. Singing makes me happy

The statement written as a biconditional is:

"I sing if and only if I am happy."