9. Paragraph 5 suggests which of the following about the carbonization process? A. It is completed soon after an organism dies. B. It does not occur in hard-shell organisms. C. It sometimes allows soft-tissued organisms to be preserved with all their parts. D. It is a more precise process of preservation than is replacement.
10. The word “prospect” in paragraph 6 is closest in meaning to A. completion B . variety C. possibility D . speed
11. According to paragraph 7, how do environments containing oxygen affect fossil preservation? A . They increase the probability that soft-tissued organisms will become fossils . B. They lead to more bacteria production. C. They slow the rate at which clay and silt are deposited. D. They reduce the chance that animal remains will be preserved. 12. According to the passage, all of the following assist in fossil preservation EXCEPT A . the presence of calcite in an organism’s skeleton B. the presence of large open areas along an ocean floor C. the deposition of a fossil in sticky substances such as sap or tar D. the rapid burial of an organism under layers of silt
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