Question

use the passage to answer the question. which is the most effective way to separate the two sections at the asterisks? (1 point) by using captions to summarize the article by inserting a heading about the topic of the second section by using bullets to reorganize the first section by including an infographic of different types of scientists \why are yawns contagious? we asked a scientist\ by teresa carey why are yawns contagious? we asked a scientist the average adult yawns 20 times per day. and when you feel a yawn coming on, it can be nearly impossible to suppress. but why does being around other yawners make you yawn? pbs newshour asked a speech scientist, a sleep neurologist, a neuroethicist and a neuroscientist who studies brain circuits related to itching why yawns are contagious. they said the evolutionary value of collective yawning remains unknown, but may have something to do with the desire of an animal to protect the members of its tribe.

Explanation:

Inserting a heading about the topic of the second - section clearly signals a transition and separates the two sections. Captions summarize the whole article, bullets reorganize the first section rather than separate the two, and an infographic about types of scientists is not relevant to separating the sections.

Answer:

by inserting a heading about the topic of the second section