The prompt is "major characters in novels or plays often encounter moral, physical or psychological dangers or choices. The ways in which the characters respond to these situations frequently reveal the authors' meaning. Analyze how the dangers or choices characters have to make are used by authors to develop their themes." I doubt that it can be applied to Animal Farm exactly. At least you will get the idea how the author chose the characters. As the back-up, you may turn for the help to the guys I personally know. Check PrimeWritings site for more details.
The simple predicate in the given sentence is the word "continue". The correct answer is option C. A simple predicate only includes the main verb or action that the subject does. In this sentence, the subject that does the action "continue" is "people".
Corrosion of metals costs the U.S. economy almost $300 billion per year at current prices. Approximately one-third of these costs could be reduced by broader application of corrosion-resistant materials and the application of best corrosion-related technical practices...
