Surveying
Longitude of a place is the angular distance between the meridian of the place and

That of Greenwich
Both (A) and (C) of above
The standard meridian
The International Date Line

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Surveying
The rise and fall method

quicker and less tedious for large number of intermediate sights
provides a check on the reduction of intermediate point levels
is not suitable for levelling with tilting levels
is less accurate than height of instrument method

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