the hydrosphere composes approximately 70.9 percent of the earths surface.
the hydrosphere composes approximately 70.9 percent of the earths surface.
the hydrosphere composes approximately what percent of the earths surface?
70.9
Na
Na
airspace is the atmosphere located within a countries controlled international and maritime borders. all sovereign countries hold the right to regulate and protect air space under the international law of air sovereignty. the horizontal boundaries of airspace are similar to the policies of "high seas" in maritime law. airspace extends 12 nautical miles from the coast of a country and it holds responsibility for protecting its own airspace unless under nato peacetime protection. with international agreement a country can assume the responsibility of protecting or controlling the atmosphere over international airspaces such as the pacific ocean. the vertical boundaries of airspace are not officially set or regulated internationally. however, there is a general agreement of vertical airspace ending at the point of the kármán line. the kármán line is a peak point at the altitude of 62 mi (100 km) above the earths surface, setting a boundary between the earths atmosphere and outer space. airspace regulations are set by nations and local governments within an airspace, regulations of airspace differ by country and location.
border