According to binet, mental age relates to chronological age because a. they are the same thing b. mental age involves calculating the chronological age at which a person functions c. chronological age involves calculating how a person is mentally functioning d. they are opposites

The correct answer for the fill in the blank is B.  Mental age involves calculating the chronological age at which a person functions.

Mental age corresponds to the attainment of mental abilities by an individual. It is related to intelligence and based on the chronological age ( calculated from the date on which individual was born) at which any average individual attains the same level of mental abilities.

Therefore, mental age involves calculation of the chronological age at which a person functions and attains mental abilities.

answer; how far out of place which the object finished relative to the starting location;