There are online libraries such as Refdesk.com,Internet Public Library,Virtual Reference Desk,and Libraryspot.com.These Web ____ organize databases in categories.
A) portals
B) laboratories
C) trademarks
D) patents

Question

Quizplus · Accepted Answer

Portals refer to websites that provide access to various resources and services organized in categories. The online libraries mentioned in the question provide access to databases organized in categories, making portal the correct choice. Laboratories, trademarks, and patents do not relate to the organization of databases in categories.

There Are Online Libraries Such as Refdesk