When do you have kinetic energy

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?

Were you able to observe the nucleolus in any of the cells if so which ones

Students commonly confuse saccharomyces cerevisiae and staphylococcus aureus when viewed on a microscope slide how could you microscopically differentiate