Obvious hairs or other contaminations that are obvious
Answer:
Turn off the lights of any room you're not in
Use energy saving bulbs
Explanation:
Being a living example of a tobacco-free lifestyle can: all of the above.
All of the listed options is an example of a tobacco-free lifestyle. It could certainly prevent others from trying to smoke, convince others to stop smoking, and make others around you more healthy.
It can help you because if you're not afraid of laughing at yourself then you won't mind as much if people laugh at you and you'll in a way realise that you're also one who makes mistakes this is my aspect on it I ain't saying it's the best answer
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.