Question

these sentences are from the text. which one shows the central idea of this selection? a like astronauts exploring new planets, microbes hop from one world to the next. b like almost every other microbiome, showerhead microbes are very diverse. c scientists are just beginning to learn what kinds of microbes live among us and how they affect us. d the experiments showed that antiperspirants and deodorants radically changed the armpit microbiome.

Explanation:

The central idea should summarize the overall topic of the text. Option C encompasses the broader concept of scientists' study of microbes around us and their impacts, while the others are more specific details.

Answer:

C. Scientists are just beginning to learn what kinds of microbes live among us and how they affect us.