LanaFirefox wrote:
A is essential to the argument, but so is B. How did you eliminate B? If the capacities of astronauts are NOT typical of those of ordinary human beings, then how can the argument "about the limits human capacities to live in spacecraft " still stand? Thanks in advance!
The argument is thatbuilding a space station is essential because we will need medical knowledge about the limits of human capacities to live in spacecraft . Choice B is:
"the capacities of astronauts are typical
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