How can unicellular organism be classified as an eukaryotic cell?

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?

In which of the following relationships is one organism always benefited while the other organism is always harmed

Which of the following graphs have the same wavelengths