Scientists believe that the ___ is the thinnest layer of the Earth, which is like the "skin" of our planet. It is where most earthquakes occur. A. mantle B. outer core C. crust D. inner core 相关知识点: 试题来源: 解析 C。解析:地壳是地球最外面的一层,它很薄,就像地球的“皮肤”...
As such, the sectioned teeth show an exposed layer of acellular cementum at the tooth neck, and sets of short and long period growth lines in the ortho- dentine. The slides of one tooth are part of the original syntype material of Aegirosaurus leptospondylus (WAGNER). They reveal an ...