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Space.com on MSNThe secret of why Mars grew cold and dry may be locked away in its rocksBy discovering carbonate rocks, NASA's Mars rovers may have unlocked the key to understanding the fate of the Red Planet's climate.
Sedimentary rock is formed by the accumulation of minerals and other material. As rocks at the earth's surface are broken down, or “weathered,” the sediment is moved by forces such as water and wind ...
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