His bone leg steadied in that hole; one arm elevated, and holding by a shroud; captain ahab stood erect, looking straight out beyond the ship’s ever pitching prow. there was an infinity of firmest fortitude, a determinate, unsurrenderable willfulness, in the fixed and fearless, forward dedication of that glance. which best describes the theme melville develops in this excerpt from the chapter?

Obsession

Explanation:

This is because the writer wants the reader to learn that Captain Ahab's fight with the whale, was beyond anyone's understanding, the captain was determined to either capture or end the whale's life, even if he had to give his own, because that whale had make him suffer for a long time and it had been tormenting many other ships.

the right answer is a

question - in 1827, john walker, a druggist in a small english town, tipped a splint with sulphur, chlorate of potash, and sulphid of antimony, and rubbed it on sandpaper, and it burst into flame. the druggist had discovered the first friction-chemical match, the kind we use to-day. it is called friction-chemical because it is made by mixing certain chemicals together and rubbing them. although walker's match did not require the bottle of acid, nevertheless it was not a good one. it could be lighted only by hard rubbing, and it sputtered and threw fire in all directions. in a few years, however, phosphorus was substituted on the tip for antimony, and the change worked wonders. the match could now be lighted with very little rubbing, and it was no longer necessary to have sandpaper upon which to rub it. it would ignite when rubbed on any dry surface, and there was no longer any sputtering. this was the phosphorus match, the match with which we are so familiar. according the paragraph what was the benefit of the new phosphorus match? it burst into flame when rubbed on sandpaper. it was made by mixing chemicals. it could be ignited on any dry surface. it threw fire in all directions.

answer - matches required natural chemicals