Question

what skill is a scientist using when they listen to the sounds that a whale makes?
making observations
drawing conclusions
making a hypothesis
interpreting data

Explanation:

Listening to whale sounds is the act of gathering sensory information about the whale's behavior, which is core to the scientific skill of observing. Drawing conclusions, forming a hypothesis, and interpreting data occur after observation or involve analysis of collected information, not the direct act of listening to the sounds.

Answer:

making observations