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Because Mars doesn't have liquid water or an atmosphere, so most "efforts" (or at least pontificating) are on those primary problems that would preclude plant l
by throwaway5752 8y ago
Because Mars doesn't have liquid water or an atmosphere, so most "efforts" (or at least pontificating) are on those primary problems that would preclude plant life.
- gbrown 8y agoMars most definitely has an atmosphere... just not much of one.