Why do older adults need higher levels of illumination to see ...

[Mr.Thesaxman]

Why do older adults need higher levels of illumination to see clearly?
 
  a. The number of cones in the retina decreases.
  b. Hardening of the lenses begins at about age 20 . c. Pupil size decreases with age.
  d. There is a flattening of the retina.

Question 2

Age-related changes in the sensory system begin in remainder of a person's life.
 
  a. later adolescence b. early adulthood
  c. middle adulthood
  d. later adulthood, and their effects increase throughout the

[robbielu01]

Answer to Question 1

c

Answer to Question 2

b