Altitude is an attribute of a body, describing its elevation from a known level defined as zero level. Most often this level is defined as the absolute sea level, but it can vary.
Altitude is a one dimensional quantity, measured in the same units as length, most preferably in meters, although the foot[?] is commonly used in aviation.
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... (USA), and Canadian and Australian Presbyterians. It is not to be confused with the much more conservative Presbyterian Church in Korea[?] (Kosin), whose seminary is not ...