The light reactions of photosynthesis use and produce

What causes the phospholipids to organize themselves the way they do

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?

What substance acts to prevent sudden ph changes in bodily fluids?