The biopsychosocial approach provides an understanding of social-cultural influences integrated within the larger framework of

Multiple levels of analysis

Explanation:

The Multiple levels of analysis involves the process and use of various methods in observation. These methods usually include the use of psychological, social , cultural techniques.

The biopsychosocial approach which involves several techniques embedded in one provides an understanding of social-cultural influences integrated within the larger framework of multiple levels of analysis.

d. the polar jet stream   lies between the polar easterlies and trade winds should be your answer