Why Do We Believe the SNC Meteorites Came from Mars

question 539

Multiple Choice

Why do we believe the SNC meteorites came from Mars?

• A) They were brought back by the return voyage of the Mars Pathfinder mission.
• B) Their fall to Earth was tracked by radar, so it was possible to reconstruct their trajectories.
• C) Radioactive minerals in the rocks allow us to date them from approximately the same time as similar layers on Mars.
• D) Trapped pockets of air in the rocks show compositions which match Martian atmospheric samples taken by the Mars landers.

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The cumulative amount of all debts and financial obligations a company owes to outside parties.