read the paragraph. then, add the best concluding sentence. did you know astronauts prepare for life in…

read the paragraph. then, add the best concluding sentence. did you know astronauts prepare for life in space by going swimming in a pool? at the johnson space center in houston, texas, nasa even has its own large swimming pool. but theres no water in space. so, why would astronauts have to go swimming? at the bottom of nasas large pool, there is a life - size model of the international space station (iss). training at the underwater iss helps astronauts prepare for life and work at the real iss. this is because moving in deep water feels similar to being weightless in space. therefore, there is a model of the international space station in a large pool in texas. thus, if youve ever swum in deep water, you might have an idea of how weightlessness feels. so, the water in nasas swimming pool is carefully kept at a certain temperature. submit

read the paragraph. then, add the best concluding sentence. did you know astronauts prepare for life in space by going swimming in a pool? at the johnson space center in houston, texas, nasa even has its own large swimming pool. but theres no water in space. so, why would astronauts have to go swimming? at the bottom of nasas large pool, there is a life - size model of the international space station (iss). training at the underwater iss helps astronauts prepare for life and work at the real iss. this is because moving in deep water feels similar to being weightless in space. therefore, there is a model of the international space station in a large pool in texas. thus, if youve ever swum in deep water, you might have an idea of how weightlessness feels. so, the water in nasas swimming pool is carefully kept at a certain temperature. submit

Answer

Brief Explanations:

The paragraph discusses how swimming in deep - water at NASA's pool helps astronauts prepare for weightlessness in space as it feels similar. The best concluding sentence should tie this idea together. The second option connects the experience of swimming in deep water to an understanding of weightlessness, which is the main theme of the paragraph.

Answer:

Thus, if you've ever swum in deep water, you might have an idea of how weightlessness feels.