Answer:
Ted born in 1990
Explanation:
There have been many studies conducted by researchers on the onset of puberty. These studies show that puberty has been dropped gradually in decades. Hermann Giddens published their research in which they indicated that the onset of puberty has changed over time and specially in girls as compared to the boys.
The age of the onset has been plunge out over time. The researcher gets data on the onset of puberty that average age in 1860 was 16.6 years old, In 1920 it decreases and stays at 14.6, in the 1950 s it is around 13.1, 1980; 12.5 and in 2010 it was around 10.5. Why our children are going to get early adulthood is still a question.
