Heyy plesde help asap help

Which of the following are false concerning microbes? a. microbes generate oxygen through photosynthesis.b. the primary role of microbes on the planet involves causing disease in animals and humans.c. microbes produce vitamins in the intestines.d. microbes play a role in breaking down waste and decomposing dead organisms.

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

Name the glands associated with human digestive system