What is the impact of the scenario that begins the article “your average, everyday zombie”?

the vivid description from the roach’s perspective adds interest and readers better understand parasitic relationships.

the fictional story about a roach and a wasp readers better understand the difference between made-up stories and actual parasitic relationships that occur in the natural world.

the detailed background information readers better understand why scientists study parasitic relationships.

the real-life story told from the wasp’s perspective sets a menacing tone and enhances the readers’ understanding that parasitic relationships are unnecessary.

21 balloons is the story of professor william sherman's travels.

in 1883, he set off from san francisco for a balloon ride over the pacific and was found a month later floating with 21 balloons in the atlantic ocean. this seemed an astounding feat and everyone wanted to know what had happened.    

professor sherman was loyal, however, and said he would tell his tale first to the western american explorers club in san francisco, of which he was a member. this built up suspense for several chapters before he began to tell of the wonders of his adventures and the amazing island of krakatoa, an island which had just been blown up by a volcano.  

the residents of krakatoa are all millionaires who live under a "gourmet government" of their own devising. we get to see all the incredible adventures that creative people with unlimited resources would create according to the author.

the language of christian egypt.