Which sentence has correct parallel structure ? ( top answer gets brainlest)

Which is a higher ratio, 6: 9 or 3: 7

Read this excerpt from “what i hope to leave behind.” for a number of years it took so much vitality to keep the home going, and that home represented so many different kinds of activities, that none of us had any urge to go outside of this sphere. if “what i hope to leave behind” was the subject of a class discussion, why might paraphrasing this sentence be ? you could analyze the key themes while also staying true to the original language. you could summarize the key ideas, which would shorten the length of the excerpt. you could use your own ideas and concepts, which would add important information. you could rephrase it in your own words, which might clarify the meaning of the excerpt.

Biologists recognize five levels of cell organization. the lowest and simplest is the cellular level. organisms here are either unicellular organisms, like protozoa, or colonial organisms. colonial organisms are composed of single-celled individuals that stay together to sustain the life of the whole colony. next on the scale of complexity is the level occupied by tissue. a tissue is a group of similar cells which perform a similar activity. tissues that are organized around a common function together make up an organ, the third level of complexity. the fourth level of organization is the system, formed by a group of organs which together perform a specific bodily process. the fifth and highest level is the organism level, in which body systems work together in a structure capable of independent life. main idea: