Re changes to knowledge systems a cause or consequence of social change?

Discuss one or more of the theories from chapter 4 with reference of the following:
1 medical knowledge
2 religious knowledge
3 environmental knowledge

Learning skioutcomes/skills:
-synthesizing material from different chapters
-using your knowledge from block 4 of identifying strengths and weakness of theories.

Notice: I am studying from Open university (distance learning) in social sciences corse code DD122.