i think the answer is either A or D but im strongly going to go with D
Answer:
*magnetic reversal
*magnetic minerals
*fossils
*sea-floor spreading
Explanation:
so all are right <em><u>EXCEPT </u></em> *continental drift
Answer:
Early cyanobacteria in stromatolites are thought to be responsible for increasing the amount of oxygen in the primeval Earth's atmosphere through their continuing photosynthesis. They were the first known organisms to photosynthesize and produce free oxygen.
Hope this helps!!!
It does not include plant sources.