Its common. In the last 10 million years, there have been 4 or 5 reversals per million years
A negative correlation is most clearly seen between different levels of female education and the total fertility rate (TFR) in a population. TFR is the number of children a woman can expect to have over her lifetime given current rates of age-specific fertility.
Hope i answered right!!!
Answer:
there is no picture so I can't tell :)
