Which of the following social groups exists in all known cultures?
a. monotheists
b. religious fundamentalists
c. sports teams
d. family

The correct answer is D) family.

The social group that exists in all known cultures is a family.

Family is the base of any society. It's the foundation of societies. Family is an elemental structure where children are raised and educated in basic values that give them the tools to start relating to other people. To raise men and women of honor, the job of the Father and the mother is very important because they are the standards, the examples to follow.

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the structure was most likely used for;

c. playing a ball game with stone hoops