Methods of Water Purification

Best Methods of Water Purification

Clean, pure water is one of life’s necessities. What people in remote areas, back country hikers and poor people have in common is dependence on untreated, limited sources of water that has a large possibility of being contaminated and must be purified before it can...

Top 15 Largest Forest in the World

Forest are referred to an area with high density of trees.Forest may vary significantly in size and different classification according to their composition and density. They include herbs, shrubs, and trees. About 9.4 percent of Earth’s surface is covered with the forest so are central...