b. Culture establishes the framework by which individuals judge their environment.
Explanation:
Culture establishes the standard by which the quality of life is measured because culture defines the framework by which individuals judge their environment.
Culture is the way of life of a people in a particular place.
Anyone born into a certain community will be influenced in all aspect of their growth by the community's view of life generally.
They will adopt every element of culture thrown out them.
The standard bearer for quality of life they know would be the one established as the best one defined by the community.
Therefore, people will base their view of quality of life on the framework of the environment.