Answer: reviewing and revising goals.
Explanation:
It's not clear what causes most bone cancers. Doctors know bone cancer
begins as an error in a cell's DNA. The error tells the cell to grow and
divide in an uncontrolled way. These cells go on living, rather than
dying at a set time. The accumulating mutated cells form a mass
that can spread to other areas of the body.
Answer:
laboratory test and lots of screening
Explanation:
