Municipal water supplies are generally treated either with ...

[rlane42]

Municipal water supplies are generally treated either with chlorine or with ozone. Which of the following statements is true?
 
  A) Chlorine is more expensive.
  B) Ozone provides residual protection against microorganisms.
  C) Ozone does not kill viruses.
  D) Ozone is more expensive, but less of it is needed.

Question 2

The bond between two amino acids is called a peptide bond. What type of bond is a peptide bond?
 
  A) amide
  B) anhydride
  C) amine
  D) glyceride

[jgranad15]

Answer to Question 1

D

Answer to Question 2

A

[rlane42]

Thanks for the timely response, appreciate it

[cam1229]

Excellent