Observation reports need to make a clear distinction between the description of behaviors and the drawn from the observation.
a. assessment
b. patterns
c. conclusions
d. facts

c. conclusions

Scientists rely on the observation of phenomena in order to obtain evidence. This phenomena includes both natural and experimentally generated effects. The information that scientists obtain after observation is often presented in observation reports. However, it is important to maintain a clear distinction between the description of behaviours, and the conclusions that can be drawn from it. Failure to do so can result in other scientists being unable to replicate the experiments, or in faulty conclusions being popularized.

aristocracy, timocracy, oligarchy, democracy, theocracy and tyranny

explanation:

the answer would be in this answer. someone already asked the question.