Saliva protects tooth surfaces and the linings of the mouth, ...

[bucstennis@aim.com]

Saliva protects tooth surfaces and the linings of the mouth, esophagus, and stomach from attack by molecules that might be harmful.
 a. True
  b. False
  Indicate whether the statement is true or false

Question 2

In general, the population of the Caribbean Islands would be described as ethnically homogeneous.
 a. True
  b. False
  Indicate whether the statement is true or false

[deja]

Answer to Question 1

True

Answer to Question 2

False

[bucstennis@aim.com]

Thanks for the timely response, appreciate it

[yeungji]

Gracias!