What best describes cultural adaptation?

A) A step-by-step process in which one becomes ethnocentric
B) The process by which environmental pressures are addressed through changes in practices,traditions,and behaviours as a way of maintaining stability and equilibrium
C) A process by which one reaches a state of cultural relativism
D) A standard by which people define what is desirable or undesirable

Cultural adaptation refers to the adjustments and changes made by a group or individual in response to environmental pressures, such as changes in climate, availability of resources, or interactions with other cultures. This is done in order to maintain stability and equilibrium within the culture, and can involve changes in practices, traditions, and behaviors. It is not a step-by-step process towards becoming ethnocentric, nor does it necessarily lead to cultural relativism, which is the idea that all cultural practices should be evaluated within the context of the culture in which they occur. A standard by which people define what is desirable or undesirable is not the best description of cultural adaptation.