Is this supposed to be a true or false question?
Answer: D
Quackery
Explanation:Quackery is a Deliberate misrepresentation of the ability of a medicine, a machine, a substance or a person to prevent or treat disease. It is may claims that you can alleviate something. It can also mean practising (Medicine) something when you have not being permitted by law or the governing body of that association to practice.
But from the question, they know that the health product is not effective yet they are selling to make profit. That's Quackery from the first definition given because their action was deliberate.
Answer:
Explanation:1. Teens are most concerned with Muscular strength. They focus this because it is the most flashy thing to work on.
2. I feel like teens should worry about cardiovascular endurance. They should worry about this the most so they can have more endurance and can go through more stress.
3. They can get this by doing far distance running.