In what year did K . Coopper first publish the book "Aerobics"? a. 2008 b. 1968 c. 1998 d. 1941

The correct answer is b. 1968.K. Cooper first published the book "Aerobics" in 1968. The book introduced the concept of aerobic exercise and became a bestseller, leading to the popularization of aerobics as a form of exercise.