Determine the empirical formula of florhydral, a fragrance molecule with a fresh, natural aroma often used in fabric detergents. It is composed of 86.65% C, 4.48% H, and 8.88% O. Enter your answer as CxHyOz. The empirical formula is

Asource of sound is detected in the middle of a room. which can account for a decrease in sound intensity for an observer? a. a decrease in speed from the source b. an increase in speed from the source c. a decrease in the radius from the source d.an increase in the radius from the source