Answer:
The Enlightenment was a significant contributing factor to the emergence of sociology in the late 18th and early 19th century. The Enlightenment is considered to be the source of critical ideas, such as the centrality freedom, democracy, and reason as primary values of society
Explanation:
The research demonstrated that <span>individuals improve most mental abilities during adulthood and then experience a gradual decline.
After people surpassing the mid-age, regeneration of the brain cells will also start to decline, which resulted in the impairment of cognitive ability that played a crucial role in our analytic ability.</span>
I personally think the answer is a