Aperson's ability to reason speedily and abstractly (for example, in solving novel logic problems) decreases slowly up to about age 75, then more rapidly, especially after age 85. this type of ability is also known as a. factor analysis. b. emotional intelligence. c. crystallized intelligence. d. fluid intelligence.

A person's ability to reason speedily and abstractly is called: D. fluid intelligence.

Explanation:

The fluid intelligence means that congnitive process necessary to solve problems and learn, are explained with the terhiory of fluid intelligence. When a person is younger this activity is more likely to be produced. The theory of fluid intelligence says that the ability of abstracion and creativity in solving logical problems maybe dicrease by elderly ages.  

wellness is an overall state of well-being. the quality or state of being healthy in body and mind, especially as the result of deliberate effort