In the book, monsters are due on maple what is the effect of short sentences in the teleplay

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).

the animal shelter ad with animals in cages, starving and dying.

explanation:

which aspect of narrative writing does what demonstrate

?

i have nothing to go off of

i will edit the answer once i get the question