The option that reveals the scientific question is as follows:
- Do dolphins emit characteristic whistles in response to their offspring?
Thus, the correct option is D.
What is a Scientific question?
Scientific questions may be defined as questions that may direct to a hypothesis and assist us in answering or figuring out the reason for some observation.
In this scientific question, the response of dolphins is estimated with respect to their offspring is considered. This is illustrated as compared to controlled conditions as well in order to predict something conclusive.
The rest of the options are simply displaying the characteristics of opinions that may be analyzed but do not express valid and accurate scientific questions. Such options also determine the fact of interest over scientific understanding and analysis.
Therefore, the correct option for this question is D.
To learn more about Scientific questions, refer to the link:
https://brainly.com/question/18530703
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