How do i do this? like i'm so confuzzled

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water

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?

Nh3 +02-no + h20 is unbalanced what is the balanced equation