Answer:
Walking puts less pressure on your joints, and you may be able to do it for longer. Running in place is more stressful on the body. However, it may burn more calories than walking, which may lead to increased weight loss. It also has a more positive effect on cardiovascular health.
Earth is approximately spherical in shape like all planets and stars. Earth is composed mostly of rock. Three-fourths of its surface is covered by a relatively thin layer of water (some of it frozen), and the entire planet is surrounded by a relatively thin blanket of air.
Socialization of children is important because it sets the groundwork for all future socialization.
