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 reference to the physical/mental/emotional benefits of being a vet, there is a great deal of satisfaction in knowing every day that you are working at the top of your abilities to make other people and animals happy, healthy and safe. + 6 others found this useful.Rayshaun Aldridge.here are many benefits to being a tour guide. you get to see  things for free that others have to pay for, you get to enjoy  nature, you learn new historical facts, and you â¦ get to meet new  people.