What are the three laboratory controllers' roles in the laboratory dramatization?

the rhetorical technique most used in this excerpt is parallelism. parallelism is a technique which author used in sentence as substitute of repeated synthetical similarities. it is the effect of rhetorical technique.

explanation:

the word that best matches the meaning of the expression "went to the big ocean" is died.

the goldfish died, which is why the father looks at the children mournfully. the "big ocean" is the father's way of saying fish heaven. he could have just said that the goldfish died, but this way, the children imagine the fish in a bigger, better place instead of just picturing a dead fish.

explanation: