What does scientists currently use to classify organisms? A. Fossil Records

B. Embryology

C. Biochemical study (DNA)

D. Homologous Structures

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

Hector is back from his morning run and is feeling light-headed because his energy is depleted which food item will provide him with a quick source of carbohydrates

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?