Climate and Seasons. Arizona's climate varies widely by altitude. Southern Arizona, including Phoenix and Tucson, has very hot summers and mild winters, with cooler summertime temperatures in the Chiricahua Mountains in the southeast corner of the state. Best times to visit are fall, late winter and early spring or higher elevations in summer. Northern Arizona, including Flagstaff, Sedona and the Grand Canyon, has four seasons but weather is mild enough to visit any time. Topography. Arizona covers 113,909 square miles, with about 350 square miles of water surface.
The staple food in different parts of the world is a function of weather patterns, local terrain, farming constraints, acquired tastes and ecosystems. For example, the main energy source staples in the average African diet are cereals (46 percent), roots and tubers (20 percent) and animal products (7 percent).
Meat, poultry, fish, beans and peas, eggs, nuts and seeds supply many nutrients and are an important part of healthy eating. Included in the USDA MyPlate's protein group, these healthy foods include not only proteins, but B vitamins (niacin, thiamin, riboflavin, B6 and B12), vitamin E, magnesium, zinc and iron.he healthy proteins in meat, beans and nuts function as building blocks for bones, muscles, cartilage, skin and blood. They are also building blocks for enzymes and hormones. B vitamins found in this food group serve a variety of functions in the body. They help the body release energy and build tissue.