The answer is D. You can take a look at the image I attached, it contains some good illustrations.
Answer:
The disk is a removable disk.
Answer:
To provide further literature on particular issues of relevance
Explanation:
Libraries are specifically meant to provide readers with more information and knowledge. In other words, they enable you gain a sound knowledge on the issues you seek to know more about either in terms of product and services of the primary goal of the website, if necessary.
