the role of an os or operating system is the program that executes everything and makes the computer usable hope this helps
I believe the answer would be the JPEG file extension.
If the internet document identifies the author, the textbook recommends that you type the author's name into the internet search box.
<h3>What is an internet document?</h3>
These are those documents that are gotten from the a search on the internet. To cite such items there are certain guidelines that are to be followed.
A simple search on a search engine would show you the most important details that this author possesses.
Read more on internet documents here:
brainly.com/question/14715750
There is a set amount of energy in the universe and you cannot destroy or create energy.
The answers are 1, 3, and 5.
