Habib has been telling sarah that he has been worrying about their communication. throughout this process, sarah asks him questions so she can clearly understand what he's saying. sarah is demonstrating

Sarah is showing Feedback. Feedback is an essential idea in a frameworks view and alludes to the way toward getting the contribution from the earth in light of the activities or yield of the framework. 
It is a procedure whereby some extent or all in all, work, of the yield flag of a framework, is passed to the information. Frequently this is done deliberately, keeping in mind the end goal to control the dynamic conduct of the framework. Input is watched or utilized as a part of different territories important to brain research.

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Hey here is your answer