In developmental psychology, there is an increasing interest in researching cognitive changes that occur later in life. why?
a. people in developed nations revere the elderly.
b. the elderly are contracting more cognitive diseases.
c. populations of developed nations are living longer.
d. populations of developing nations are dying sooner

The correct answer is letter C

Explanation:  Human development refers to mental development and organic growth. Mental development is a continuous construction. These are the forms of organization of mental activity that are perfected and solidified until all of them. Some of these mental structures remain throughout life.

answer; ///i believe the correct answer is (b) the writing of the ancients who lived in india after the indus valley inhabitants died out;

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