The preposition in question is "on", and its purpose is to show you where the dog chewed. You can remove the preposition to form the sentence "The brown dog chewed the rawhide bone." You can also rearrange it to find the preposition, "on the rawhide bone, the dog chewed" in what is commonly known as the Yoda technique.
One negative effect is that it has lead to an upsurge in billing because people can now hide behind the internet and don’t have to say it to the actual persons face. Another problem is that it takes a lot of focus from students causing grades to drop and them not to pay attention to people and teachers
Proper noun sounds the best for me
That book was one of my favorites. It was scary and yet amazing.
A main theme is probably:
It is important to recognize what is evil as old major in the book clearly doesn't. The animals might have had a new leader, but they still had the problem of pride.