Nutrients is the substance in food
When ordering you can ask the waiter the ingredients/you can to have certain things off ur food, they might even have a vegan/vegetarian menu which is also of course healthier food.
I would say, A. Endoscopy because, it is a tube that goes down the throat or the other way and looks through the digestive tract and the throat cavity.
Well actually it depends if they are talking so I could talk on the phone and if they are getting to work they could drive
