Which type of molecule provides cells with energy?

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?

What are the prevalent literature of the philippines during the pre colonial period?

Passage 1passage 2 read the passage from “the caged bird.” a free bird leaps on the back of the wind and floats downstream till the current ends and dips his wing in the orange sun rays and dares to claim the sky which phrases representing the idea of freedom connect the poem to the autobiography? “leaps on the back of the wind” connects to “ran down the hill.” “and floats downstream” connects to “and into the road.” “dips his wing in the orange sun” connects to “the good sense.” “and dares to claim the sky” connects to “to stop running.” mark this and return