Dr. hendricks, a psychologist, believes that the differences between the genders can be attributed to the varying levels of estrogen and testosterone in males and females. in the context of the theoretical approaches to gender development, dr. hendricks is most likely a proponent of the approach.
a. biologicalb. evolutionary psychologyc. social cognitived. psychodynamic

A. biological.

Explanation:

Psychology can be studied from many different perspectives. The biological perspective of studying psychology gave importance to genetics and the physical nature of human beings and animals. It is the study of human behavior that examines the nervous system, hormonal system or immune system. It is also called bio-psychology and it was the first perspective to use human genetics as the bases to study human behavior. Charles Darwin used this approach to study the role of genetics and its relation to human behavior.

As per the question, the study of testosterone and estrogen which are hormones signifies it as a study from a biological perspective.

industry had made the u.s. the richest nation in the world at this time. the second industrial revolution caused growth in industry and transportation, which allowed increased trade between nations.

answer: b has a great day

explanation: