Final answer:
Extreme cold is NOT a common exposure when dealing with pediatric burns as it causes frostbite rather than burns.
Step-by-step explanation:
The option that is NOT a common exposure when dealing with pediatric burns is D. Extreme cold. Pediatric burns are typically caused by hot liquids, flames, and electricity. These can cause significant skin damage leading to dehydration, electrolyte imbalance, and increased susceptibility to infection. Unlike the other options, extreme cold causes frostbite rather than burns.