Which bone is identified in the picture below? O A. Cranium
O B. Radius
C. Metacarpal
D. Sternum

In which situations is the principle of cross-cutting relationship useful in determining relative age?

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic