Surveying
If the magnetic bearing of the sun at a place at noon in southern hemisphere is 167°, the magnetic declination at that place is

77° N
13° E
23° S
13° W

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Surveying
The difference between a level line and a horizontal line is that

level line is a curved line while hori-zontal line is a straight line
level line is normal to plumb line while horizontal line may not be normal to plumb line at the tangent point to level line
both are same
horizontal line is normal to plumb line while level line may not be normal to the plumb line

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