Why would scientists set off a underground explosion

Look at the picture below . what does this picture represent ?

Which kingdom includes some organisms that have no nucleus and can live in an environment with an extremely high salt content

A3 year-old is brought to the burn unit after pulling a pot of hot soup off the stove and spilling it on herself. she sustained 18% second degree burns on her legs and 20% third degree burns on her chest and arms. total body surface area burned is 38%. what icd-10-cm codes are reported for the burns (do not include external cause codes for the accident)?