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 a nonpossessory interest in another's land that entitles the holder only to the right to use such land in the specified manner. It is distinguishable from a profit a prendre that is the right to enter another's land and remove the soil itself or a product thereof, such as crops or timber.