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  3. According to the passage, an organism without hard body parts According to the passage, why were the remains of organisms trap

According to the passage, an organism without hard body parts According to the passage, why were the remains of organisms trap

admin2004-12-30  96
问题  According to the passage, an organism without hard body parts
  According to the passage, why were the remains of organisms trapped in swamps better preserved for the fossil record than those that were not?
选项 A、The swamp environment reduced the amount of bacterial decay.
B、Swamp waters contained higher amounts of materials such as calcium carbonate.
C、There were fewer sediments in swamps than in other bodies of water.
D、Swamp vegetation accelerated the decomposition of organisms.
答案A
解析
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