Final answer:
In the sentence, 'During this interval, the control agencies must have found news from Long Island disquieting,' the word 'disquieting' means alarming. Essence means the core or fundamental nature of something.
Step-by-step explanation:
In the sentence, 'During this interval, the control agencies must have found news from Long Island disquieting,' the word 'disquieting' means alarming. It refers to something that causes anxiety, unease, or worry. For example, if the news from Long Island was unsettling or disturbing, it would be considered disquieting.
Essence means the core or fundamental nature of something. It refers to the most important or intrinsic part. For instance, if we talk about the essence of a poem, we are referring to its central message or meaning.
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