Present in the
is a protein that is waterproof.
A. sebum
B. melanin
C. collagen
D. nails

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. 

Ihope this work  the usda is responsible for regulating meat and agricultural products. examples include cuts of beef and produce like spinach. the fda is responsible for regulating other food and health-related items. examples include processed foods and diet pills.