It should have MLA Format and Works Cited page and it should be 6 or 7 pages long.

The outline should be something similar to this

I.               Introduction

II.              Background of Plastic Material

A.    History

B.    Composition or how is it made

C.   Types

D.   Producers

E.    Innovative uses

F.    Every-day uses (intro to plastic bags and bottles)

III.            Plastic Bags and Bottles

A.    Background

B.    Consumption

C.   Time of decomposition

It does not need to have a concluding paragraph.