What is the difference between open and closed end questions?

If you are having a hard time lifting something, you should arch your back. a. true b. false

Which of these elements of fitness should be included as part of any personal health plan? a. weight management, strength, endurance, and nutritionb. weight loss, calorie reduction, endurance, and strengthc. weight management, physical inactivity, and endurance trainingd. weight loss, strength training, endurance, and sleep reduction

Witch form of birth control could people use without. altering hormonal systems or blocking sperm from fertilizing an egg