Why is swallow flies from Europe to Africa in autumn and return in spring​

Read these lines from "an open boat" and answer the question. an open boat by alfred noyes see - quick - by that flash, where the bitter foam tosses,
 the cloud of white faces, in the black open boat,
 which of the end rhymes below matches the one in the last line of the excerpt? “he’s living, i know. but he’s numbed with the cold.” “and there are no voices or ghosts in that darkness.” “and wraps her loose hair round his breast and his throat.” “come. loosen your fingers. – o god, let me keep him! ”

Which excerpt from rudyard kipling’s the white man’s burden conveys

Which of the following is a complex sentence? a. after henry submitted his essay, he realized that he hadn't proofread the last page. b. identity theft is a growing problem, especially among seniors. c. we didn't have enough potatoes for dinner, so we served rice instead. d. jim tried to watch a video on a device connected to a crowded wireless network; as a result, the video stuttered and froze.