Answer:
D. Translating a longer chunk of an author's writing into your own words in order to shorten the document and present the writer's key points.
Explanation:
They made houses out of different things. It was harder for them because of that.
It defines culture and surroundings and environment
An appositive is a phrase or word that points to the same thing as another noun in a sentence. It helps in providing additional information about the noun.
Therefore, sentence which uses an appositive phrase that renames the subject to combine the sentences is Washington, D.C., our capital, is fascinating.
Hence, in the above sentence, noun is <em>Washington, D.C.</em> with its addition information of being a<em> capital</em>. The sentence is separated with commas to remove appositive and placed without changing the meaning of the sentence.