A serving of food that has 10% to 19% of a nutrient based on a 2000 calorie diet is considered to have good nutritional value. The correct option among all the options given in the question is option ""B". If the nutritional value of the diet is more than 20%, then it is considered as an excellent diet. On the other hand a nutritional value of less than 5% represents poor diet.
Yes. Apply as much as you need. It doesn't matter.
If you're meaning like to check if someone's respiratory system is working right you'd want to find a pulse. If you find there's no pulse you should start chest compressions and call 911 continuing to do chest compressions
