There is a higher sodium concentration on the inside of the cell than there is on the outside of the cell. how will the sodium particles move and by what process?

Nucleic acid certain protein cell membranes certain carbohydrates

Which is one example of a phenotypic change that is not genetic

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?