1. to ____ foot on Mars 2. to ____ a planet 3. to ____ a good place for an outpost 4. to ____ CO2 directly from the atmosphere 5. to ____ our habitats with a thick layer of frozen CO2 6. to ____ outside 7. to ____ / ____ the soil 8. to ____ the degradation 9. to ____ intense psychological screening 10. to ____ infrastructure 11. to ____ phase two of colonization

Mars Base 3

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