An adverb clause is a short sentence or a set of words that will modify a verb as would do an adverb -by explaining why, how, when or where.
In the given sentence, the adverb clause will modify the verb endangered, therefore the clause must refer to it. Options <em>A, B</em> and C, refer to the red panda, meanwhile option <em>D</em> is the only one referring to the mentioned verb.
The right answer is <em>D</em>.
Describe this extended metaphor from the poem some tower of song with lofty parapet skid did disks
The element of a text that best helps the reader determine the central idea is key details.
This is because key details give the reader an idea of what the text is about. It provides the main relevant information of the story.
<h3>What is a Central Idea?</h3>
This refers to the main idea that an author wants to convey to an audience that he wants them to learn from.
Hence, we can see that the element of a text that best helps the reader determine the central idea is key details.
Read more about central ideas here:
brainly.com/question/2684713
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Can we have a picture of the story?
The answer is B I read the book great choice too