Manny's trainer wants him to do some anaerobic exercise to prepare for his upcoming competition. which of the following would be the best option

Health and cardio respiratory fitness occurs when the heart is working, at minimum, 50 percent of heart rate reserve. true or false

Bulimia nervosa cannot be prevented, but it can be treated if diagnosed early. true or false?

Which of these statements describes clinical depression? a. a milder form of depression that usually follows a traumatic event b. a medical condition that may occur due to a chemical imbalance in the brain c. alternate feelings of extreme happiness and extreme sadness