Which is most likely evidence that led scientists to conclude prokaryotic cells evolved before eukaryotic cells? answer

Which gas was least abundant in Earth's early atmosphere, prior to 2 billion years ... distinctions between the "most evolved" protobiont and the first living cell are provides the strongest evidencethat prokaryotes evolved before eukaryotes? Which of these is the most likely explanation for the existence of dicynodont ...

False because when you are going on any water activities it is good to know if the water has any recreational illnesses its false on edgenuity also