A lion would have to be one of the most dangerous animals to hunt. Not only are they extremely intelligent, but most lions are separated into prides. Not to mention, a lion can cover 100 yards in 3 to 4 seconds which is crazy fast and extremely overpowered with their overbearing strength. This is why I believe lions are one of the most dangerous animals in the world to hunt.
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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By providing a different perspective and encouraging the Englishman to never give up, the boy helps him to discover the alchemist.