Ineed . the paragraphs explain: a. events in time order b. cause and effect relationship c. definitions and examples d. certain contrasts

B. cause and effect relationship

Explanation:

in the first paragraph it gives the cause that laughter is contagious because it has an effect on others to make them laugh as well. this would as well follow with yawns and stopping passerby's.

by paragraph 2 saying "somethings the effects of suggestibility are more serious" which then explains in to more dept about cause and effect relationships with death.

mica tricku

breathe, think and analyze the situation, pull them aside and talk to them about it