Amother breastfeeding her baby is an example of immunity.
a. passive natural
b. active acquired
c. active natural
d. passive acquired

A mother breastfeeding her baby is an example of immunity.
c. active natural

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.