Students would be the subject because they are the ones doing the action. Questions is the direct object, and Elsa is the indirect object
Punctuation marks are important for recognizing the end of a statement and or drawing some out with an ellipsis. If you do not put them at the end of your writing/sentence, unless using a question mark(?) or exclamation point(!), then the reader/grader will not be able to know where your sentence ends and the new one begins, therefor rendering it a run on sentence.
A) They are focusing on something in their laps or at their feet.
Fragile. Resilient is when something is not broken easily, while something fragile can be broken with ease.
C. to distinguish between his own life and the culture of his Grandparents.