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Reading: Gilmour (2005)
1. Why is it important to study organic matter in carbonaceous chondrites?
2. Name two challenges that researchers must overcome to study extractable and macromolecular organic matter in carbonaceous chondrites.
3. What observation and interpretation does the author make regarding the variation of d13C with carbon number for different compunds? Is it convincing, why or why not?
4. What model does the author advance for the origin of organic matter? Provide a succinct statement, and create a table that links suggested process (column 1) to physical setting (column 2) to evidence (column 3).