Not a complete article, but:
Pros: You get places faster, more efficiently
Cons: Pollution, car crashes
<span>A. Rosaline is my guess</span>
An adjective clause functions as an adjective, that is, it gives some information about a noun in a sentence (or a pronoun) ( information which is not an action).
The noun modified here is "knife" and the information about the knife, that is the complete adjective clause is "<span> that his dad gave him.
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