Low sea levels = heavy carbon, light sulfur in seawater
- Low sea levels = more land space for plants = plants use lighter carbon = lighter carbon stuck on land = heavy carbon in the sea!
- Low sea levels = less habitat for sulfate-reducing bacteria = less light sulfur in pyrite = more light sulfur in the sea!
High sea levels = light carbon, heavy sulfur in seawater
- High sea levels = less space for plants = less light carbon uptake by plants = light carbon in the sea!
- High sea levels = expanded habitat for sulfate-reducing bacteria = more light sulfur in pyrite = less light sulfur in the sea!