Matter can recycle through the biosphere because

What is the role of the phospholipid belayer in cellular transport in living cells

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?

Match each medication with its description.