What is measurement?​

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?

Which of the following is a good strategy for finding the meaning of an unfamiliar word? (5 points) put the book down and do something else for at least 30 minutes. count the syllables in the word and find others that are similar in length. make inferences about the meaning based on the words around it. keep reading past that word so that you can continue with the story.

Which excerpt from langston hughes's poem "madam and the rent man" best demonstrates the speaker's determination?