One of the following surveying instruments is used to set out lines at right angles to the main chain line?
________is the failure of the end point of a closed traverse to fall exactly on the point of origin of the transverse?
What is the process of lowering and leveling of the earth surface by gradual breaking and wearing away of such earth's surfaces?
Which of the following is an effect of the earth's revolution?
The soil gains nitrogen through one of the following except?
