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But we pulled at the grill [on the ground] and it gave way. and then we saw iron rings as steps leading down a shaft into a darkness without bottom. … it was a great tunnel. its walls were hard and smooth to the touch; it felt like stone, but it was not stone. on the ground there were long thin tracks of iron, but it was not iron; it felt smooth and cold as glass. we knelt, and we crawled forward, our hand groping along the iron line to see where it would lead. but there was an unbroken night ahead. what is the most likely explanation for the walls described in the bold text?

One form of plagiarism involves a. using an author's organization or sentence structure without citation. b. referring to information that is common knowledge. c. introducing a quotation with a signal phrase. d. restating an author's ideas in your own words with a citation.

Gdzie chce mieszkać argumenty plis ratuje pasek : (