Do trees keep their internal parts separate from the outside environment?

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

When proteins are being produced by a cell, scientist say that the genes are question 2 options: activated turned off replicated deactivated

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)?