Answer:
•weak immune system is the answer
Hi my dear friend,
Thereafter, fat tissue gradually replaces the red marrow, which in adults is found only in the vertebrae, hips, breastbone, ribs, and skull and at the ends of the long bones of the arm and leg; other cancellous, or spongy, bones and the central cavities of the long bones are filled with yellow marrow.
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C.
The information required for the calculations is very easily obtained, making this an advantage of the method.
