The questions that might these scientists be asking about the natural world are as follows:
Thus, the correct options are A, C, and D.
A Scientist may be defined as a person that systematically collects and utilizes research and evidence, in order to make hypotheses and test them, to gain and share understanding and knowledge.
Scientists have different fields in order to make hypotheses and test them. But the scientists those deals with the natural world are known as Ecologists or Environmentalists.
Such scientists always find the theories based on aquatic animals, their breeding patterns, the characteristics of water bodies, etc.
Therefore, the correct options for this question are A, C, and D.
To learn more about the Natural world, refer to the link:
https://brainly.com/question/13142293
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