What type of current moves due to differences in salinity and
temperature?

Which equation is used to calculate the magnetic force on a charge moving in a magnetic field

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?

Number and variety of living organism; includes genetic, species, and ecological types