The notions of complementarity, structuralism, and general systems theory are all embraced by which family theory?

Structural family therapy (SFT)

Explanation:

Structural family therapy (SFT) is defined as the treatment that is based on interaction structure and function which creates problems in families. Change in structure and pattern of family is basic treatment given in problematic conditions.This method does not consider focusing on individual change.

Structuring,considering traits  and characteristics of social relationship of family members and  understanding people's behavior instead of just changing interaction structure are the factors that are used by structural family therapy .

this statement is true.

forests are public goods, available for everybody. when usage of such a good becomes interesting for consumers and its usage increases, there can be a risk of overexploitation. it is a non rival good therefore, if one person consumes the good it does not reduce the availability for subsequent consumers.

these caracteristics require the establishment of measures in order to prevent the destruction of a commonly owned space, for example, to restrict the amount of people that have access to the same time.