Group 1:

1. “The Effects of Forest Fires on the Atmosphere” by John Doe
2. “The Impact of Forest Fires on the Hydrosphere” by Jane Smith
3. “The Effects of Forest Fires on the Lithosphere” by Mark Johnson
4. “The Effects of Forest Fires on the Biosphere” by Sarah Lee
5. “The Risks and Benefits of Forest Fires” by David Brown

Group 2:

1. “The Effects of Forest Fires on the Atmosphere” by Sarah Lee
2. “The Impact of Forest Fires on the Hydrosphere” by David Brown
3. “The Effects of Forest Fires on the Lithosphere” by John Doe
4. “The Effects of Forest Fires on the Biosphere” by Jane Smith
5. “The Risks and Benefits of Forest Fires” by Mark Johnson

After reading and analyzing the articles, each group should create a presentation summarizing their findings and discussing the importance of understanding the effects of forest fires on Earth’s different spheres. They should also discuss the risks and benefits of forest fires and how they can be managed to minimize negative impacts while still allowing for the benefits.