How old they are and how big they are.
Answer:
Neuroblastoma is a cancer that develops from immature nerve cells.
Explanation:
Neuroblastoma often spreads to the bone marrow (the soft inner parts of certain bones)
hope this helps
An important role in fungi in an ecosystem is B. Breakind down dead organisms.
The two main characters in "the fault in our stars" are cancer patients. Biology is used to help find cures for diseases like these.
