Which of the following is the densest layer of solid earth?
A. Crust
B. Atmosphere
C. Core
D. Mantle

answer is C core because I searched it up on Google

i think its control and coordinate because im pretty sure thats what tissue does and the joints are what control movement and then your skeletal/ bones provides portection. hope that .

b. read the phase at the intersection of any given temperature and pressure.