Question: The chemical reactions that occur with the limestone reagent form a corrosive environment requiring many of the system components to be corrosion and abrasion resistant.
A corrosive environment can be dangerous and requires equipment that is well suited to handle the needs of this environment.

Answer: it is not possible to tell

Question: Four pictures hung crookedly on the wall representing scenes from Faust.
The four pictures representing scenes were hung crookedly.

Answer: yes

Question: yeah yeah yeah that's true so i guess i oh i'm pretty encouraged i really am but then i'm a product of my generation i don't know i if i'd been born a hundred years ago and were looking at this time i might not like it but it sure seems nice to me
Even if I was born a hundred years ago I'd be the exact same person.

Answer:
no