| 21. | Habitability in the S-boats were poor.
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| 22. | They were also criticized for their habitability, with inadequate ventilation and food storage.
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| 23. | The past flow of liquid water demonstrates the planet's potential for habitability.
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| 24. | Temperatures and pressures needed for habitability are set by the triple point of water.
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| 25. | See Planetary habitability # Orbit and rotation and Axial tilt # Long period variations.
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| 26. | Because of this, the chances of habitability may be lower than originally estimated.
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| 27. | Drainage systems are a crucial compromise between human habitability and a secure, sustainable watershed.
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| 28. | This is one consideration in terms of planetary habitability or the possibility of extraterrestrial life.
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| 29. | Habitability would be increased by the addition of fresh water distillation units and air conditioning.
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| 30. | Planetary engineering can also be applied to keep habitability of Earth in the far future.
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