Why did scientists prior to 1977 believe that only very basic life forms exist in the deep ocean

Read this excerpt from wheels of change by sue macy.that said, it's hard to grasp the full extent of the bicycle's impact on americans in the late 19th century—particularly female americans. imagine a population imprisoned by their very clothing; the stiff corsets, heavy skirts, and voluminous petticoats that made it difficult to take a deep breath, let alone exercise. add to that the laws and social conventions that cemented a man's place as head of the household and holder of the purse strings. how suffocated women must have felt. and how liberated they must have been as they pedaled their wheels toward new horizons.what is the central idea of the excerpt

Theme is question 26 options: the way the story is presented. overarching ideas that are presented in the story. the author�s message that he or she is communicating to readers. the way the story makes the reader feel.

Is the book the outsiders a realistic story? plz explain. asap!