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.<br /><br />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.