4. What is the significance of the following lines? "Possibly it had occurred to him that the colossal significance
of that light had now vanished forever... Compared to the great distance that had separated him from Daisy it
had seemed as close as a star to the moon. Now it was again a green light on a dock."

no its not a run on sentence however i think you meant wet suits not sours also a run on sentence would be like surfers surf all winter long in southern california by using wet sours to keep them warm and the live their all year long  

well stockyards mean a large yard containing pens and sheds, typically adjacent to a slaughterhouse, in which livestock is kept and sorted. and i'm assuming that by party you   mean a large group of people which does make sense because chicago is a very crowded place much like new york. stockyards tend to take up a lot of room due to needing the area for pens to keep animals in and the fact that stockyards are usually right by slaughterhouse where they process and distribute the product. so its much like a zoo but with some dead animal products close by.

answer holy cow

explanation:

the flighty purpose never is o'ertook / unless the deed go with it"