Put the following statements in the order they occurred in Earth's early history:
1. eukaryotic cells appear on Earth
2. photosynthetic cyanobacteria (prokaryotes) produce oxygen
3. carbon dioxide-rich atmosphere allows only anaerobic prokaryotes to live
4. aerobic prokaryotes appear on Earth
A 3, 2, 4, 1
B 4,3,2,1
C 1, 2, 3, 4
D 3, 4, 2,1