A. Encyclopedias would give you basic and brief information on a topic.
Books and databases provide a lot of information. Interviews provide very little information on research topics.
Hope this helps :)
Yes it is, common nouns are basically the more specific version of nouns
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1) forefathers
2)forewarn
3)foreground
4)foreshadow
5)forehand
6)forestall
7)forerunner
