Perfectly. An adverb modifies a verb and usually ends in "ly"
The verb is "bakes" and the "perfectly" describes the quality of (modifies) the baking, so it is the adverb.
Hope that makes sense :)
C) I could not remember how to throw a boomerang, but it eventually back to me.
The increase of trade and transportation of animals or people.
Well I think the answer would be a, hope it is right
