The work of Muzafer Sherif was important for the development of social psychology because he
a. demonstrated the interaction between personality characteristics and situational factors.
b. developed professional associations for social psychologists.
c. showed that complex social behavior could be examined scientifically.
d. helped to find solutions to the crisis in the field during the 1960s and 1970s.

C. showed that complex social behavior could be examined scientifically.                      

Explanation:            

Social Psychology: The term "social psychology" is determined as one of the scientific studies related to different human behaviors in a specific society. It tends to study human beings behavior together in a group and therefore describes the process through which their behavior is being influenced in the presence of others and along with it signifies the "socio-psychological" motives and causes of them in a designated group.

Social psychologists tend to describe that individuals possess an entirely complex social behavior.

a. the moon was locked into orbit by the earths gravity as it was passing by and capture hypothesis i think