Hydrogen is much less common as an element on Earth. Its density is so low that it long ago escaped from Earth's gravitational attraction. Hydrogen does occur on Earth in a number of compounds, however, most prominently in water. Water is the most abundant compound on Earth's surface.
easement by prescription. An easement acquired by continuous, open, and hostile use of the property for the period of time prescribed by state law. Print Cite / Link.
An easement is the grant of a nonpossessory property interest that grants the easement holder permission to use another person's land. There are different kinds of easements. If an easement appurtenant is granted, it involves two pieces of land, where one serves as the servient tenement that bears the burden, and the other the dominant tenement, which benefits from the grant of the easement and has permission to use the servient land in some manner.