Chemical Description. Sodium carbonate is a sodium salt of carbonic acid and a strong base. It is supplied as a white, odorless powder that is hygroscopic and very soluble in water producing a strong alkaline solution.
v. walked, walkÂ·ing, walks. v.intr. 1. To move over a surface by taking steps with the feet at a pace slower than a run: a baby learning to walk; a horse walking around a riding ring. 2. a. To go or travel on foot: walked to the store.
Walking is great exercise and can be very beneficial aerobically. Aerobic exercise is defined as brisk physical activity that requires the heart and lungs to work harder to meet the body's increased oxygen demand. In other words, it's moving your body to get your heart and lungs to work a little harder.