Answer:
Open a text-based editor like Microsoft word, notepad, libraoffice, etc, type the name of the super hero on the first field and the main power on the second field. Then click on the file menu or press ctrl-s and save file as superheroes.dat.
Explanation:
The file extension 'dat' is used to hold data for programs, for easy access. The file above holds data in fields separated by a space and has multiple records.
Companies are shut down if copyrighted
Not too sure what the answer the question would expect, or rather what terminology,
But I’d say key-value pairs
For example in CSS
key: value;
color: green;
I think that's true.
If they didn't they could be easily tracked by the police.