What will most likely be included in the magazine article that follows this introduction? a description of carbon and other elements a study of plants grown in greenhouses suggestions for reducing carbon footprints information about earth day celebrations1.a  description of carbon and other elements2.a study of plants grown in greenhouses3.suggestions for reducing carbon footprints4.information about earth day celebrations

If taking about a magazine article, the most suitable option would be  option 3"suggestions for reducing carbon footprints". In general, this type of articles develops lighter content in comparison to other articles. So the topic should be easy reading and understanding. In the case of 1 and 2, the information that can be provided could be more technical or specific connected to the topic. And the final option would be considered a topic to introduce and then develop.