You should be able to find it in the Table of Content, which is in the very beginning of the book.
Answer:
Yes I can help you what is it? I love writing and i'm good at it.
Explanatio
C. The platypus, which is a mammal, has a bill like a duck and feet like an otter.
"which is a mammal" is an adjective clause. An adjective clause is used to describe a noun and usually begins with one of these words: that, when, where, who, whom, whose, which, and why. In this sentence, the adjective clause begins with "which" and describes the platypus, which is a noun.
