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.
Being exposed to sunshine will also increase your levels of vitamin D. Hiking is a cardiovascular activity, depending on how hard you push yourself during a hike, and thus has benefits for your cardiovascular system, such as reducing the chances of heart disease, and increasing your overall fitness.
1 Make it fun! 2  The key to hike success is to keep the kids motivated and having fun â so why not combine the two? 3  Create games that you and your children can play out on the trail. 4  Have them look for signs of wildlife (scat, bird holes in trees, fur) or count wildflower species. Make sure your kids have adequate hiking shoes, depending on terrain, this could range from sandals to tot-sized hiking boots. 2  Finally, always pack a change of clothes for each child and leave them in the car for your return from the trail â chances are your children will be wet or muddy! 3  Plan frequent energy stops.