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Appendix B: MEPAG SR-SAG2 Findings, Revisions, and Updates
Pages 48-53

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From page 48...
... general slowly warming, but that the mean martian surface temperatures are not expected to increase by more than 0.2 K over the next 500 years. Finding 2-1: Modern Mars environments may contain molecular fuels Revised Finding 2-1: Modern Mars environments and oxidants that are known to support metabolism and cell division of may contain chemical compounds that are used chemolithoautotrophic microbes on Earth.
From page 49...
... has been shown to be sufficient to support the growth of some aerobic microorganisms on Earth -- although this fact is not used to distinguish Special Regions on Mars. Finding 3-6: Most Earth bacteria tested fail to grow below 2,500 Pa.
From page 50...
... However, there are suggestions aw unknown, and perhaps variable. As such they meet the criteria that they are due to the seepage of liquid water for Uncertain Regions, to be treated as Special Regions.
From page 51...
... Although some recent results have strengthened that conclusion for non-RSL slope streaks, other recent reports suggest that there are problems explaining all dark slope streaks by dry granular flow, and therefore aqueous processes cannot be definitely excluded for all dark slope streaks. Finding 4-9: Polar dark dune streaks are considered extremely unlikely Revised Finding 4-9: A conservative interpretation to involve liquid water warmer than 253 K (–20°C)
From page 52...
... Finding 5-4: The mid-latitude mantle is thought to be desiccated, with Revised Finding 5-4: The mid-latitude mantle is low potential for the possibility of modern transient liquid water. thought to be desiccated, with low potential for the possibility of modern transient liquid aqueous solutions.
From page 53...
... However, a conservative interpretation water, or whether it is an ongoing process. The age of that ice and its of the evidence suggests that processes involving implications for the next 500 years are unknown.

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