How should the syntax in this sentence be changed, if at all?
the scientists spent years analyzing the results of numerous medical studies meant to identify the cause of the disease.
1)no change
2)the scientists spent years looking at the results of a variety of different medical studies meant to locate the cause of the disease.
3)the scientists spent years reviewing medical study results to find the cause of the disease.
4)the scientists spent years studying the results of many medical studies in order to uncover the cause of the disease.

What does the duke reveal about himself to the reader as he speaks in “my last duchess” by robert browning? that he is a believer in romantic love that he is a calculating villain that he is a trustworthy husband that he is a sophisticated man worthy of respect

Our coach’s idea of food for the entire wrestling team was tiny sandwiches and fruit.

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