It would be a good idea to use CT scans to check for breast ...

[itsmyluck]

It would be a good idea to use CT scans to check for breast cancer because
 
  a. they are more effective than mammograms.
  b. they cost less, so more women would get the exams.
  c. they do not hurt, so women would be more likely to get checked.
  d. most women will survive five years or longer if cancer is treated before it
  moves outside the breast.

Question 2

Why was Roentgen's discovery of x-rays an accident?
 
  a. He was trying to discover sound waves, not x-rays.
  b. He had poor eyesight, making it hard for him to see anything in the dark
  lab.
  c. He was working alone and most discoveries are made in collaboration with
  other scientists.
  d. He was interested in experimental physics, not in inventing a tool to be used
  in medicine.

[Perkypinki]

Answer to Question 1

c

Answer to Question 2

d

[itsmyluck]

Excellent

[kusterl]

Gracias!