Most likely c. variable since it says a factor that "can vary"
You may be allergic to the medicine, your body might not be able to process the medication correctly, and you may overdose
True. I needed to add more text
Answer:
Use Strong Passwords. ...
Look for Encryption. ...
Install Security Suites. ...
Turn on Web Browser Blacklisting. ...
Avoid Phishing Scams. ...
Get Private Data Protection. ...
Password-Protect Your Wireless Router
Explanation:
Thats what i can think of