Read the persuasive conclusion. Gardening can enhance lives and provide nourishment. Time spent outside in a garden boosts the body’s immune system, and a garden’s harvest can be a healthy, cost-saving supplement to any diet. Which sentence best completes this conclusion? The sun is a natural source of vitamin D, an essential nutrient for good health. When tending your garden, use natural pesticides instead of chemicals. Consider starting your own garden with some of your favorite vegetable seeds. Despite the challenges of insects and blight, gardening is a simple hobby.