According to the passage, an organisms without hard body parts____ A.is not heavy enough to sink below the surface B.is not attractive to predators C.is not likely to appear in the fossil record D.takes a long time to decay
Đáp án đúng: A Giải chi tiết:Đáp án là A. Ý trong bài: Even hard parts left on the surface for any length of time will be destroyed, therefore, organisms must be buried rapidly to escape destruction by the elements and to be protected against agents of weathering and erosion.