Is this still true at the end?- I think this could be answered either way.
I think that Nick hates the way money makes people act and that the rest of the characters are so caught up in this that it causes the outcome (or tragedy) at the end of the book.
Answer:
Dolomite Sand is used for constructions it is harmful to your health
Answer:
I think that this sentence would be compound if you don't include the word 'and' in your clauses.
Answer:
Smiling with enthusiasm, Sara, a confident young women, approached Jane and welcomed her to Oakdale. (second choice)
Hope this helped! :D