Answer:
4.similarity:knowledge is knowledge,be it from a webpage or a book.Information provided is the same and one's interest in reading it is also the same.
difference:a book doesn't have unnecessary advertisements as that of a website.moreover,though getting digital one prefers reading a book than webpage.Eye strain may also be regarded as a difference.
5.skimming:is reading rapidly in order to get a general overview of the material.
scanning:reading rapidly in order to find specific fact helps you locate a particular fact.
Explanation:
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