What are the key components of a good abstract, with an example of a well-written abstract?

A good abstract should include a brief summary of the research topic, the research question or objective, the methodology used, the main findings, and the conclusions drawn. An example of a well-written abstract could be: "This study investigates the impact of social media on mental health among adolescents. A survey methodology was employed to gather data from 500 participants. The findings suggest a significant correlation between social media usage and increased levels of anxiety and depression. The study concludes by recommending further research and interventions to promote healthy social media habits among young people."