How does radiation therapy treat malignant tumors? a: it uses drugs that poison the tumors cells. b: it produces more signal molecules than needed c: it forced doctors to remove tumors with surgery d: it kills tumor cells by breaking them apart.

The correct answer is option D.

Explanation:

Radiation therapy does kill the malignant cells or slowdowns the growth of the cells by breaking or damaging the cell. It includes damaging the DNA of the cell.

The damaged cells with such DNA can not replicate. Dead malignant cells can be removed by the body after killing them.

Thus, the correct answer is option - D.

c genetic engineering

i'm sorry, but can you list the answers? i cannot with something i don't know the answers to

,

chris