To learn how earth's atmosphere has changed over time, scientists study air bubbles in which of the following? a. ice cores b. pollen c. rocks containing uranium d. fossils in sedimentary rock

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?