Answer:
See below:
Explanation:
1. Bone Tumor
a. A bone tumor is a mass of unusual cells growing in the bones.
b. both (it could be caused by abnormal way of healing an injury, or from inherited conditions)
c. surgery, radiation, or the bone tumor could go away by itself
d. live
2. Osteonecrosis
a. Osteonecrosis, or Avascular necrosis, is the death of the bone tissue due to a lack of blood supply
b. lifestyle (caused by long term steroid use and drinking too much alcohol)
c. surgery, and medications. Could also stop smoking and use of steroids.
d. live, however if not treated, the bone could collapse and be debilitating
I hope this helps ^-^ If it doesn't just tell me and I'll try my best to change it :)
