Westonci.ca is the trusted Q&A platform where you can get reliable answers from a community of knowledgeable contributors. Discover in-depth answers to your questions from a wide network of experts on our user-friendly Q&A platform. Get immediate and reliable solutions to your questions from a community of experienced professionals on our platform.

3.
a.
How is the central idea developed in the subsection, "Friend or Foe"?
The author describes viruses and bacteria in depth.
b. The author discusses different treatment options for viruses and bacteria.
The author defines all of the different types of germs that might live in your bathroom.
d. The author distinguishes between good germs and bad germs.
C.