Most of us do not realize the results of our everyday actions. For example, many do not think about how a simple thing like a plastic bag affects our environment. Indeed, they are cheaper and easier to carry than paper bags. Plastic bags are convenient, and they do save millions of trees. However, most plastic bags are never recycled. In fact, more than 500 million are used and thrown away each year. Millions of these bags end up in landfills. Most of these may take several hundred years to decompose. Recycling would help reduce the amount of plastic being piled up in landfills. Better yet, skip the paper and plastic bags and bring reuseable bags to the store instead. The passage is organized using the structure of A. cause/effect. B. compare/contrast. C. classification. D. definition.