Which of the following is the responsibility of government to save habitats? Select all that apply. A. using fertilizers always
B. using too much chemicals
C. establishing more open spaces and regulations
D. using less fuels

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?