The extraction process to remove the lead from the sulfur is very simple, thus lead has been extracted from Galena since the earliest times.Galena from certain regions is rich in silver, and some specimens may contain as much as 20 percent silver. Because of this, silver-rich Galena is also an ore of silver.
Research shows that hiking has a positive impact on combating the symptoms of stress and anxiety, says Gregory A. Miller, PhD, president of the American Hiking Society. Being in nature is ingrained in our DNA, and we sometimes forget that.
In addition to burning fat and calories, walking builds muscles. The reason is that walking builds, shapes, and tones muscles of the legs, hips, and buttocks. Walking also boosts the strength and endurance of those muscles, which means you'll be able to do more with less fatigue.