When analyzing a nutrition label you start at a. serving size/serving per container b. nutrients c. calories

The answer is A. serving size/serving per container 

Both sexes because it is always romantic

If it's a smaller child or infant, place one on the middle of the chest and on the child's back. (if it is a bigger child with enough room for two, place one on the upper right/your left of the chest, and one on the lower left/your right) the pads should never touch each other.