I need a bit more detail to answer what ur asking
Answer: 1 Select a topic.
2 Develop research questions.
3 Identify keywords.
4 Find background information.
5 Refine your topic.
Explanation: Hope this helps!
A coordinating conjunction is used to link phrases, words, clauses, or sentences of equal rank. The coordinating conjunctions are for, and, nor, but, or, yet, and so. In the paragraph you have given above, sentence 4 and sentence 6 have used the coordinating conjunction "and". In your choices, Sentence 4 appears; thus, it's the best answer.
A. Sentence 4
Answer:
Here you go:
Distinct dynasties built different courses of boundary walls. They reach in total from Liaodong in the east to Lop Lake in the west, from the present-day Sino-Russian border in the north to the Tao River in the south, along an arc that roughly delineates the Mongolian steppe's boundary. The Great Wall's protective system is now widely regarded as one of history's most spectacular architectural marvels.
Hope this helps.
