You should keep all computer rooms at reasonable humidity levels, which are in between:

A. 20 – 70 percent.

B. 10 – 70 percent.

C. 10 – 60 percent.

D. 70 – 90 percent.

E. 60 – 80 percent.

F. None of the choices.

Explanation:

You should keep all computer rooms at reasonable temperatures, which is in between 60 – 75 degrees Fahrenheit or 10 – 25 degrees Celsius. You should also keep humidity levels at 20 – 70 percent.