It’s C. An MP3 file is an audio/video file, so only a media player would be able to play this
I believe the answer is annual maintenance
Hope this helps :p
Answer:
The error could let people through who really shouldn't be through
Answer:
1. Scripts area is the main working area in Scratch.
2. Sensing blocks are color-coded light blue.
3. Adware is a malware which pops up a window, informing the user that the system is infected and asks for a fee to clean it.
4. Amaya is a WYSIWYG.
