Ho Ho Ho Stitch Reindeer Elf Santa Xmas shirt
With Mars you can’t do that so easily, not only that Ho Ho Ho Stitch Reindeer Elf Santa Xmas shirt, the Mars dust storms mean you get dust blowing over your colony frequently. It is also very fine, as fine as cigarette ash, and would blow up around you wherever you walk on Mars. And the thin atmosphere is a disadvantage for the dust. Wherever you walk or drive, clouds of dust will be thrown up and hang in the air, while the lunar dust just does a ballistic curve and falls back to the ground.
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Best Ho Ho Ho Stitch Reindeer Elf Santa Xmas shirt
For CO2 in Ho Ho Ho Stitch Reindeer Elf Santa Xmas shirt . Remember it is only 0.04% in our atmosphere. We only need kilograms per colonist to start with. And as for growing food, then the CO2 you breathe out when eating your crops for one month return the CO2 needed for the next crop cycle to grow. Minus a small amount in feces (actually most of the mass of carbon in our food is exhaled, not excreted), and that also can be incinerated or in other ways returned. But so long as the colony is importing some food, they will be producing too much CO2 and CO2 scrubbing, as for Apollo 13 is normally the problem for a colony, not sourcing CO2.