Hi. You did not enter the text to which this question refers, which makes it impossible for it to be answered. However, I will try to help you as best I can.
A cause and effect structure is the one used in a text that shows how an element is capable of causing the existence of another element, that is, it shows what was the cause of any effect. To answer your question, you need to read the text it is related to and identify when this kind of structure is established. This moment must present the false sense of isolation as a cause or an effect, so that you can interpret it and answer your question.
Answer:
<h3>Let <u>us </u> go for a walk. (we/us)</h3>
It is an abstract noun because you can touch it
Jane and Liza love books and music. To be a compound subject or a compound object, you will need two subjects and two objects, both joined by a conjunction. In this sentence, "Jane and Liza" is the compound subject, and "books and music" is the compound object.
