Surveying
Pick up the correct statement for horizontal photographs.

Parallel lines do not appear parallel in central projection
All listed here
The two sides of a road meet at the vanishing point
The lines parallel to the negative plane are projected as parallel lines

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Surveying
Sidereal day

Is slightly shorter than an ordinary solar day
All listed here
Is the period of time taken by the earth in making a complete rotation with reference to stars
Is divided into the conventional hours, minutes and seconds

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