Nearsightedness begins to increase gradually in the decade ...

[dmcintosh]

Nearsightedness begins to increase gradually in the decade between the ages of _____ and _____.
 
  10; 20
  20; 30
  30; 40
  40; 50

Question 2

At a recent physical exam, Janet was told that she is an inch shorter than she was five years ago at age 50. What could cause her decrease in height?
 
  hereditary height shrinkage
  lack of calcium in her diet
  natural collapse of vertebrae in the spine
  effects of medication

[kmb352]

Answer to Question 1

20; 30

Answer to Question 2

natural collapse of vertebrae in the spine

[dmcintosh]

Thanks for the timely response, appreciate it

[matt95]

Wow, this really help