Answer:
Infectious diseases are caused by the passing of one person to another. Corona is an example. Noninfectious diseases, they are just spread by pathogens. Good luck!
The correct answer is so that laws reduce pollution by a suffice amount<span />
If you plan to remove several components from the computer, it is best to save a back up files just so some files won't be lost and if you have ever corrupted your file. Another thing is to safely turn off your computer and have yourself provide pictures or to remember the cables that are placed in each switch before having to remove several components.