What do plasmids often contain that is helpful for bacterial survival

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

Which example would the nurse consider to be a part of systems thinking theory?

According the inverse square law, doubling the distance from the source of the sound, a speaker, for example, will drop the sound 6 db each time. if you were standing in the back of an auditorium, 32 feet away from a speaker not using any amplification, would you be able to hear a speaker clearly? why or why not?