Th e welfare people asked Lillian a number of questions about where she got the children from. From their questions, it is clear they had formed several hypotheses as to why Lillian’s DNA did not match the DNA of her children.

What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cella’s eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen