Answer:
The answer to this question is "true".
Explanation:
In this question, the answer is true because The use of formatting provides changes in the data presentation, not in the data. It is also known as layout.
The layout or formatting is important for two reasons that can be given as:
1) It makes your data like a formatted data.
2) It helps to make your data more readable.
Open Source
When a developer makes something open to the public, free to edit and use how they want, they make the project open source.
A string for sure, so answer B.