Ametal sphere is electrically uncharged. after being touched by a charged rod, the metal sphere is positively charged. is the mass of the sphere larger, smaller, or the same as before it was charged? what sign of charge is on the rod?

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.

sentence lenght varies according to word choice.you select which word to use and that will require to use other expressions that collocate with the word chosen.sentence length will vary   according to the choice of words you make to express your ideas.  

the opening scene of "sweat" exposes the great emotional charge of the story. it shows the violence and abuse that dyes the marriage between delia jones and skyes.

skyes decides to terrorize his wife by pulling a bull whip (which resembles a snake), knowing that she is terrified of those animals. skyes laughs cruelly at her and kicks the laundry with which delia has been working hard, telling her to get rid of it. skyes also comments on her religious manners, telling his wife how ridiculous they are. delia reacts by threatening skyes with her frying pan, generating even more conflict