<span>Prior to farming, people had to move around to follow their food. Farming allowed them to settle in one place and have a permanent source of food. People could begin to plant food that grew well in certain areas and could count on harvesting it in the future. They no longer had to depend upon moving around to find a food source. The development of farming also led to permanent settlements, job specialization, and other characteristics of civilizations.</span>
Answer:
D. They had a rate of cognitive impairment several times higher than the children adopted at less than 6 months of age.
Explanation:
In the research study, titled "Child-to-adult neurodevelopmental and mental health trajectories after early life deprivation: the young adult follow-up of the longitudinal English and Romanian Adoptees study" using the data from the English and Romanian Adoptees study to assess whether deprivation-associated adverse neurodevelopmental and mental health outcomes persist into young adulthood.
It was concluded among other conclusions that regarding cognitive development for the children who were adopted when they were older than six months of age they had a rate of cognitive impairment several times higher than the children adopted less than six months of age.
Published on February 2017, the research study was carried out by Edmund J.S. Sonuga-Barke et al. It was summarily concluded that Time-limited, early-life exposures to institutional deprivation are factors characterized with disorders in childhood.
