Please it’s a timed test please help with the blanks :)

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

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?

Which characteristics are typical of a human population in the postindustrial stage?