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.
Key difference: The main difference between the two is that hiking is mainly a leisure activity which is done by walking on well-made trails and man-made roads. However, trekking is more rigorous, and a more challenging activity. It tests oneâs physical ability, endurance, and even their mental or psychological capacity.