Answer:
The correct answer is "reliable".
Step-by-step explanation:
The missing options of this question are:
a. subjective
b. reliable
c. pseudoscience
d. objective
The correct answer is option b. "reliable".
Reliability is one of the main principles at which scientific investigations are founded. The principle of reliability establishes that any scientific investigation can be replicated in any other part of the world, and similar results must be obtained. The data obtained from the replication is therefore validated, and the investigation can be considered reliable.