Answer:
Citing or documenting the sources used in your research serves three purposes:
It gives proper credit to the authors of the words or ideas that you incorporated into your paper.
It allows those who are reading your work to locate your sources, in order to learn more about the ideas that you include in your paper.
Hi I would have to say B sorry if this answer is sucky but I'm trying my best to help you :D
Answer:
In today's world, everyone using smartphones as it easily allow to communicate by using different types of features like texting, video, e-mail and by using internet we can run various types of applications.
Smartphones carries one of the main and important skills that is show our current location. By using various types of applications like Global positioning system (GPS), cell ID and wifi we can easily trace the location.
But there is different types of option according to the individual requirement as some people want privacy as they are not interested to share their location to anyone.
B is better than any other one's I think.