Why does a rock tend to become rounded?

For which locations does the occupational safety and health administration (osha) enforce safety? kitchens in private homes ,backyard farms ,community malls, personal art studios

The physician ordered velosef (cephradine) im 50 mg/kg/day in equally divided doses four times a day for a child who weighs 40 pounds. convert pounds to kilograms and then calculate the prescribed dosage. mg every hours

How do people benefit from a healthy nutritional diet?