Why are streak plates used to test minerals

Explain the significance of thesaurus geographicus

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)?

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%