I think data mining and software design.
Answer:
Look below.
Explanation:
Oof. That must suck. I think that all you have to do to remove the extension is to right click on it and press delete. Thn a thing should slide down from the top of the screen and say something like "are you sure" and then press yes. That should work...
My day has been good
hope this helps
Answer:
HDD (Hard drive disk) or SSD (Solid state drive)
Explanation: