Answer: inner core
The inner core is the deepest and hottest layer of the Earth. It is made almost entirely of metal—mostly iron and, while extremely hot (9,000-13,000 degrees Fahrenheit--or 5,000-7,000 C), it is solid. It's almost 750 miles thick! Next the outer core is made mostly of iron and nickel.
Explanation:
What the he’ll is this what sunbject is this
A. Cartilage - This bone, which is weak and fragile and develops during birth, serves as a divider between the bones.
B. Blood vessels- This mostly safeguards the bone's surface, which aids in healing wounds and injuries.
C. Osteoblasts – This particular sort of cell is predominantly employed in the development of new bones. It typically moves and deposits a new bone.
D. Osteocytes- This is a live cell that is imprisoned during the development of a new bone.
E. Osteoclasts- Undoubtedly, this is a cell bone that helps with the disintegration of a bone and the removal of its waste.
F. Enzymes- In order for a new, very healthy bone to form were the injured one once existed, enzymes normally dissolve the damaged portion of the bone.
G. Calcium – Calcium makes sure that the newly created bone is incredibly strong and keeps it that way for the rest of your life.
H. Phosphates- These facilitate the death of mature chondrocytes in the growth plate, which helps to create new bone and allows blood vessels to invade.
Learn more about ossification here:
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