I need the entire sentence for context before I can answer the question. All of these options could be a subject, but you need to give context.
Answer:
Preventive Maintenance.
Condition-Based Maintenance.
Predictive Maintenance.
Corrective Maintenance.
Predetermined Maintenance.
Gaining Maintenance Knowledge with Interplay Learning.
Explanation:
Nearly a century after its publication, F. Scott Fitzgerald's "The Great Gatsby" remains a literary classic. One challenge it presents, though, is understanding how the Roaring '20s tale of Jay Gatsby's pursuit of wealth and romance at all costs is still relevant nearly a century later. The novel's portrayal of materialism, superficial relationships and the myths of fame and celebrity create remarkable parallels between Gatsby's world and the present day.
Materialism
Possessions and status are a key ingredient to many of the characters' lifestyles. In order to attract Daisy's interest, Gatsby defines himself by his enormous house, decadent parties and distinctive cars and clothing. Daisy, too, values materialism, as the convenience of her marriage to wealthy polo player Tom Buchanan keeps her from fully embracing Gatsby's vision for their future. High school English teacher David Dowling writes that America's continued obsession with materialism is one reason for the novel's permanence, depicting the conflict between moral values and the desire for wealth that still entangles people today.
Answer:
Themes are developed by authors through the following ways: What happens - key events. Characters - character qualities, character actions and how characters respond to situations may all relate to theme. Character development - the ways characters change, and the lessons they learn indicate themes for the reader
Explanation: