Which revision would make this sentence more precise?
the author's use of foreign words makes this piece challenging. the author's work of literature is full of many confusing pieces. this literary work has many challenges and pitfalls. the literary work consists of many things that are difficultthis piece of literature are hard to understand.

Why was kennedy concerned about the use of nuclear weapons

The following question asks about one or more selections from your literature textbook. you may use your textbook to answer this question. both “lob’s girl” and “jeremiah’s song” contains flashbacks. in a paragraph, explain what this plot technique adds to the stories. support your answer with one detail from each story. use the reading selections to you answer the questions.

Match each persuasive technique with the excerpt that uses it. expert opinion association emotional appeal scientific data compared to the yearly average of 6.5 million square kilometers between 1979 and 2010 for september, the arctic sea ice shrank below 4 million square kilometers in september 2012, which is lower than any minimum value observed in the last three decades. (european environmental agency, “the melting arctic") arrowright according to morten olsen, chair of a recent arctic council assessment of changes on arctic snow-and ice-conditions, "changes in the climate and cryosphere risk fundamentally altering the arctic ecosystems." (european environmental agency, “the melting arctic") arrowright sip a cup of turbo brown to taste the liberating power of flying through your day's work like a cruising jet. arrowright if we don't step up our efforts, the melodious songs of these beautiful birds might be silenced forever. arrowright