Lara wants to write an informative essay about the ways people can lessen their carbon footprints while performing everyday activities. In particular, she is interested in the methods and effects of composting.

Choice C, “How can backyard composting help reduce carbon emissions?” best matches Lara’s focus on both methods and effects of composting. The other choices are either broader than her topic, about online popularity, or focused on emissions rather than composting.

AI-written and checked against the verified answer.