dependant clause, cause we don't know who "who" is and the first sentance tells us this. If the sentence was on it's own without the context, we'd have no idea who "who" is.
An example of a simile is the following:
"The tree was as thin as a hound dog."
As in the sentence above, a simile is a figure of speech which compares two different things, in order to make the description more intense or forceful. Another example could be:
"The man is as tall as a giraffe."
Answer:
I would spend my money on school supplies or life expenses, I think
I think it is B, not sure, Have a nice day!!!!!
The answer to the question above is the last option: INTRODUCTION. Basically, the introduction in the textbook gives you an overview of what the textbook is all about. It gives you the idea of what are the contents and the purpose of why these topics are being included and discussed. The introduction should be convincing enough in order for the readers to continue reading the textbook.