The relatively stable formal and informal arrangements that characterize a society, including its economic arrangements, social institutions, and values and norms are referred to as .

social structure

Explanation: According to Sociologists, social structure is the distinctive, stable arrangement of institutions whereby human beings in a society interact and cohabit together.however, examples of social structure in sociology are the family, religion, economic, political and education institutions. Social Structure is the relatively stable formal and informal arrangements that characterize a society, including its economic arrangements, social institutions, and values and norms.

giant impact theory - the moon was formed from the collision between earth and another mars-sized body.

colliding planetesimals hypothesis - the moon was formed from the same cloud of material as earth.

capture hypothesis - the moon was locked into orbit by earths gravity as it was passing by it.

accretion hypothesis - the moon was formed from collisions and combining of planetesimals.

i think this is right, if not and you know better let me know.