Some of the most convincing evidence of the robust relationship ...

[mspears3]

Some of the most convincing evidence of the robust relationship between environmental factors and cancer comes from studies of cancer rates in _____.
 a. people migrating to other countries
 b. older adults
  c. certain ethnic groups
  d. children
  e. families

Question 2

Cancer _____.
 a. is contagious
  b. death rates are increasing in the United States
  c. is generally unsuccessfully treated
  d. is caused by excessive intake of saturated fat
  e. has many causes

[vish98]

Answer to Question 1

a

Answer to Question 2

e