<em>Separation of the body and the mind </em>is a theme in it. Gregor has his outer appearance changed, but his mind still remains relatively the same, which causes disconnect, such as him trying to stand even though his new body doesn't do that normally. There are moments where his body proves a challenge or a strange part of him, since it isn't tuned to his mindset.
I think it's a because every word has a subject and a verb
Answer: There's a sparknotes and shmoop summary for chapter 7 of the book Night, it describes their relationship perfectly. I suggest you go there.
Explanation: See answer above.
Answer choices 4 and 3 are correct. A decrease in price attracts more customers, therefore an increase in the demand for that item. An increase in price will mkae customers less likely to buy the item, therefore a decrease in demand.