Most dietary and storage lipids are triglycerides. this means that they are made of glycerol combined with three carboxylic acids, called fatty acids. identify the lipid by its formula.

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?