Mr. sparks asked his science class to write down six ways they can reduce their carbon footprints at home. becky created this list of items. which items in becky’s list will reduce her carbon footprint, and which items will not? use energy-efficient light bulbs. make compost out of waste. use personal vehicles instead of public transportation. use solar panels to heat water. throw things that you don’t use often in the trash. use disposable items instead of reusable items.