All of the following are environmental factors related to cancer ...

[HCHenry]

All of the following are environmental factors related to cancer development worldwide EXCEPT:
  1.physical inactivity.
  2.hepatitis A viral infection.
  3.excess alcohol intake.
  4.unsafe sex.

Question 2

The progression phase of cancer has all of the following characteristics EXCEPT:
  1.abnormal cells increase rapidly.
  2.the abnormal cells destroy the normal functions of the tissue where they are growing.
  3.abnormal cells may migrate to other tissues and cause DNA damage.
  4.this phase is easily curable.

[ambernicolefink]

Answer to Question 1

2

Answer to Question 2

4