If you hear that a cold front is headed for your area, what type of weather might you expect

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this

What is true of sea slugs in these orders

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?