Brain › WorldAccording to the American Greeting Card Association, approximately how many cards are sent out each year on Valentine’s Day?billion750 million1.5 billion500 millionAnswerThe correct answer is A) billion.More World questionsIn what decade were the first commercial Valentines cards produced in the United States?Which country governs Christmas Island?Where is the Easter Island located?Which of these rivers is considered sacred in Hinduism?On which island did Napoleon die?Which part of the US is known as the Bible Belt?Play Brain · Practice