Surveying
The angle between the plane of the equator and the plane of the ecliptic, is known as obliquity of the ecliptic and its value is

24° 0'
23° 27'
22° 30'
23° 30'

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Surveying
The prismatic compass and surveyor’s compass

give whole circle bearing (WCB) of a line and quadrantal bearing (QB) of a line respectively
both give WCB of a line
both give QB of a line
both give QB of a line and WCB of a line

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