Which of the following statements is true? A. The outer core is the only liquid layer.
B. The inner core is hollow.
C. The thinnest layer is the crust
D. None of the above.

I think c

Explanation:

hope that helps

the working equation for the angular size is the product of the physical size and 360 degrees divided by the product of two pi and distance from earth. the minimum size would be 0.559 degrees while the maximum size would be 0.49 degrees. 

firearm identification is the process of analyzing the bullets and cartridge cases left at a crime scene to determine if they came from a particular firearm. marks on the bullets and cartridges may be common to every firearm of that type. these are called class characteristics.