An opossum is an animal that is known to "play dead” when threatened by other animals. This is an example of a response to which kind of stimulus?

the external stimulus of tiredness
the internal stimulus of illness
the external stimulus of danger
the internal stimulus of predators

In which state was more than 100 billion tons of coal mined in 2005?

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)?

Hershey and chase confirmed that dna, not protein, was the genetic material. how do the results of their two experiments support this conclusion?