Question

1. environmental factors, such as smoking or radiation, may increase the risk of a. faster healing b. stronger differentiation c. cancer d. more dna copies
2. cancer is a disease caused by a. cells that divide in an organized way b. cells that stop growing completely c. cells that divide uncontrollably d. cells that make too many proteins

Explanation:

Cancer is a disease caused by cells that divide uncontrollably. Environmental factors like smoking or radiation can increase the risk of cancer by damaging DNA.

Answer:

1. C. Cancer
2. B. Cells that divide uncontrollably