April 15th of each annual year
i think its D but i am not exactly sure
A doorknob is an example of a:
D. Wheel and Axle.
I hope this helped ^_^
Viruses and malware are common and can have drastically negative results on your computer and life.
You can often tell that your computer is infected because it acts weird or slow.
Active antivirus software is a good way to prevent these problems.
Answer:
Constant variable
Explanation:
Constant variable is a data item whose value cannot change