Final answer:
Spinach, tofu, and salmon are all good sources of calcium.
Step-by-step explanation:
Calcium is an important nutrient for maintaining bone health. While milk and dairy foods are common sources of calcium, there are other foods that are rich in calcium as well. Green leafy vegetables like spinach, tofu, and salmon are all great sources of calcium. Additionally, nuts, beans, seeds, and shellfish provide calcium in smaller quantities.