The process where the programmer steps through each of the program's statements one by one is called 
.
Sponsored links are links that have been paid for in order to bring them to the first positions when the engine returns the results of the search. Organic links are links that have not been paid for. Your answer is D.
There is a equal amount I guess free points for me
The correct answer isn’t really a choice shown. I would choose D because if a work doesn’t have a copyright symbol that doesn’t mean it’s in the public domain. In a real life situation it would be best to ask the creator before you use their work. If they say it’s in the public domain then you’re fine, but even if they say you can use it that doesn’t mean it’s in the public domain, it just means that you have permission to use it.
It appears that they might be labeled "Hidden" in the properties of that file. Right Click on Properties and Uncheckmark Hidden<span />
