Which of the following gas helps in burning

Which of the following gas helps in burning "I am going to the top of the rock," cried Juliet, as they approached "Nicholas!" cries his mother, faintly: "this is too much!","Sure we will," interposed Tom Hughes in an unexpectedly audible stage whisper, which greatly confused him, but delighted Patricia and David.,“No. What Father and Mother tell you about right and wrong is not too much for you to remember.”,It was early next morning, about six bells—seven o'clock—when an event of the deepest historic interest to those who took part in it, broke the routine of the chase of the Minorca by the Aurora. The wind was a little to the north of west, and blew a gentle breeze which rippled the waters upon the long-drawn swell that came heaving from horizon to horizon, from north-west to south-east, as though a gale of wind had been lately blowing or was to come. Though freckled with high fine-weather clouds the dome of heaven sank in purity to its girdle of sea line, and from the deck at daybreak nothing was in sight.,“Never min’, Pete, an’ thank you anyways, but sence the lesson’s a hull lot about the sea, I’ll jist write with blue chork.”，Her tone, gentle but dignified, steadies him.，"Rather so. In their desire to feed me lay my only danger of death. But I pulled through. And I liked every one I met,—really you know," to Mona, "and no humbug. Yet I think the happiest days I knew over there were those spent with Terry. It was rather a sell, though, having no real adventure, particularly as I had promised one not only to myself but to my friends when starting for Paddy-land. I beg your pardon a thousand times! Ireland, I mean."，"Ho, ho; and by whom?""Round at your stables with my groom. I brought him over with me."

"Night has always the effect of making bad look worse," says Doatie with a sad attempt at cheerfulness. "Never mind; morning will soon be here again.",“What a wonderful thing it is,” Bob said at last.,Wilson nodded, "Yes, Mary?",Elinor was already half asleep when Patricia suddenly sat up with a mirthful gurgle.,"Alone," said Maurice, significantly.,The boys eat up and stared at each other.,"O Croaker," groaned Billy, "why won't you find the gold fer me?" Croaker returned his master's look of reproach with beady, insolent eyes. "Cawrara-cawrara-cawrara," he murmured, backing from the pile, which meant, "Why don't you carry one of these beautiful shiny things home for me? Isn't that what I brought you here to do?","The devil-stick!" he cried. "By all that is wonderful, the devil-stick!","Yes," replied Scarface, "I saw them.",CHAPTER VII,The murmur of voices came to him for a little and then all was still.,"Creatures of the night are we,.