The Tectonic Forces is responsible in that creation
It's the convection currents that happen in the asthenosphere part of the Earth Crust , causing the African Plates to Diverge and continuously produce Rifts that will eventually formed a rift valley
This process can take millions of years
The answer in the space provided is experiments. It is because in order to produce causation or to likely have a cause of something in particular, they need to conduct experiments in which they will likely form new ideas and test this ideas to form something new that will cause and contribute to others and will be of gain of knowledge.
Answer:
c. make the norms salient to participants.
Explanation:
Field experiment: In psychological research, the term "field experiment" is described as one of the different studies that utilize "experimental design" that happens in any natural setting. While conducting a field experiment, the experimenter tends to examine or analyze the degree to which the manipulation of a single independent variable causes a change or alteration in the given dependent variable related to the natural environment.
In the question above, the researchers suggest that the specific role of the given confederate in the mentioned study was to make the particular norms salient to participants as it is significantly described that participants will model the confederate's behavior i.e, they will get influenced.