Any help please

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

Which of the following describes a boom period? a. as one population increases, another population decreases. b. as one population increases, the other population also increases. c. as one population decreases, another population increases. d. as one population decreases, another population also decreases

Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?