The second period, Mesolithic 2, is also called the Natufian culture. The change from Mesolithic 1 to Natufian culture can be dated more closely. The latest date from a Mesolithic 1 site in the Levant is 12,150 BCE. The earliest date from a Natufian site is 11,140 BCE.
Food. Milk, yogurt, and cheese are rich natural sources of calcium and are the major food contributors of this nutrient to people in the United States [ 1 ]. Nondairy sources include vegetables, such as Chinese cabbage, kale, and broccoli.Spinach provides calcium, but its bioavailability is poor.ood. Milk, yogurt, and cheese are rich natural sources of calcium and are the major food contributors of this nutrient to people in the United States [ 1 ]. Nondairy sources include vegetables, such as Chinese cabbage, kale, and broccoli.
Good sources of calcium. Good sources of calcium include: 1  milk, cheese and other dairy foods. 2  green leafy vegetables â such as broccoli, cabbage and okra, but not spinach. 3  soya beans.4  tofu. 5  soya drinks with added calcium. 6  nuts. 7  bread and anything made with fortified flour.ood sources of calcium. Good sources of calcium include: 1  milk, cheese and other dairy foods. 2  green leafy vegetables â such as broccoli, cabbage and okra, but not spinach. 3  soya beans. 4  tofu.