Answered

Which words in the sentence make up the adjective phrase?

Which word does it modify?

This invention also increased the number of available books.

AThis invention; modifies increased
Bthe number; modifies books
Cof available books; modifies number
Dalso increased; modifies number

Verified Answer :

WorldlyGlass49

The correct answer is C. A isn't correct because "this invention" is a noun phrase, not adjective. B - "the number" is again a noun. D - "also increased" - is a verb phrase. So the only option left is "of available books", and since it modifies "number", which is a noun, it must be an adjective.