Answer: Correct approach is required to be taken for conducting the research.
Step-by-step explanation:
The scientific methodology involves the observation, experimentation, deduction of the conclusion. Moreover, similar studies in the same field also add up to the literature and change in the methodology for a particular discipline of study to understand the scientific phenomena better. The unanticipated problems may include the physical, psychological, and economic harm to the subjects.
But according to the given situation the crew might have not taken protection while conducting research in the shark surrounding. Shark is a carnivore and can cause massive harm to the navigators so precautions are required to be taken to protect themselves and conduct research.