<span>The Answer is C. Right-click row 21's row number, and then click Insert.
</span>
The answer you are looking for would be A. Hardware can be an external tool, where as software is an internal tool. Hope this helped!
Answer:
I personally use a alienware
Explanation:
My opinion is the answers A and D. I would choose A if you can only choose one, though.
The faster it reaches the bloodstream