The two groups of friends of different social standings are the wealthy and privileged group, represented by Tom Buchanan, Daisy Buchanan, and Jordan Baker, and the less affluent group, represented by Jay Gatsby. The stark contrast between these two groups is a central theme in F. Scott Fitzgerald's novel "The Great Gatsby," highlighting the divide between old money and new money in the 1920s. Gatsby's longing to be accepted by the upper class, particularly Daisy, drives much of the novel's plot. **

The NFL standings are organized by division, with each team playing a 16-game regular season schedule. The teams are ranked within their division based on their win-loss record, with tiebreakers used to determine the order if teams have the same record. The top team in each division earns a playoff spot, along with three wild card teams from each conference. The playoffs consist of three rounds, culminating in the Super Bowl where the champions of the NFC and AFC face off. The standings are updated weekly throughout the regular season, with the top teams advancing to the playoffs and ultimately the Super Bowl. **

The purpose of the team standings in Formula 1 is to track and display the performance of each team throughout the season. It allows fans, teams, and drivers to see how each team is faring in comparison to their competitors. The team standings also play a role in determining the prize money distribution at the end of the season, as well as influencing the allocation of resources and sponsorship opportunities for the teams. Overall, the team standings provide a clear and transparent way to assess the success and competitiveness of each team in the championship. **

The Europa League is a European football competition for clubs that are not in the Champions League. It is the second-tier competition in European club football, and teams from various European leagues compete in it. The current standings are based on the group stage, where teams are divided into groups and play each other home and away. The top teams from each group advance to the knockout stage, while the third-place teams drop down to the Europa Conference League. **

Full-face helmets provide more protection for the face and jaw in the event of a crash, making them better for more aggressive and high-speed cycling such as downhill mountain biking or BMX racing. However, for general cycling, half-shell helmets are often preferred due to their lighter weight, better ventilation, and less restrictive feel. The choice between the two depends on the type of cycling and the level of risk involved. **

It is possible that the coach of FC Bayern is being fired due to the team's current standing in second place. In the world of professional sports, there is often a high level of pressure and expectation for teams to perform at the top of their game. If the team is not meeting these expectations, it is not uncommon for the coach to be held accountable and potentially replaced. However, there could be other factors at play in the decision to fire the coach, such as internal team dynamics or performance in other competitions. **

Yes, it is necessary to have bicycle helmets. Wearing a helmet while riding a bicycle can significantly reduce the risk of head injury in the event of a crash or fall. Helmets provide crucial protection for the brain and skull, and can potentially save lives. It is important for both children and adults to wear helmets while cycling to ensure their safety on the road. **

Yes, you may install LED lights on your bicycle. LED lights are a popular choice for bike lights because they are energy-efficient, long-lasting, and provide bright illumination. Adding LED lights to your bicycle can improve your visibility to others on the road, especially in low-light conditions, and help enhance your safety while riding. Just be sure to check your local regulations to ensure that the installation and use of LED lights on bicycles comply with any specific laws or requirements in your area. **