Answer:
13
Explanation:
They are vitamins A, C, D, E, K and the B vitamins (thiamine, riboflavin, niacin, pantothenic acid, biotin, vitamin B-6, vitamin B-12 and folate). You can usually get all your vitamins from the foods you eat.
The body shivers, shivering is something your body does in oder to keep warm. It is moving the muscles around, and trying to heat you up.
I would say Recycling or using alternate power sources such as solar or wind