Answer:
Option c (are difficult to see for the untrained observer) would be the appropriate choice.
Step-by-step explanation:
- The organized collection of social structures and traditions of institutionalized interactions together which make up society are the social system. Social organization is therefore a consequence of and specifically influences social contact.
- Social systems are not apparent to the untrained observer directly, but they are still there and influence all aspects of current societal human consciousness.
The other options offered are not connected to just the scenario in question. So, the solution is indeed the right one.