What kind of words would a writer use to express a tone of irony in a literary work?

My cat and my dog like best friends

How can behavioral science be applied in improving public health? a.by tracking a disease to determine its sourceb.by creating promotions that improve health habitscboth by tracking a disease to determine its source and by creating promotions that improve health habitsd.neither by tracking a disease to determine its source or by creating promotions that improve health habits

When i walked through arlington cemetery, i had a sense of reverence—a respect for the courage, dedication, and sacrifice of the souls buried here. using context clues, what is the meaning of reverence in the passage?