Which of the following is a way of controlling soil erosion?
Overgrazing
Contour ploughing
Deforestation
Bush burning
Correct answer is B
Contour ploughing is the making of ridges across the slope to control erosion
The soil gains nitrogen through one of the following except?
Denitrification
Application of organic manure
Electrical discharge
Symbiotic nitrogen fixation
Correct answer is A
Denitrification is the major way by which nitrate in the soil is lost by its conversion to gaseous nitrogen with the aid of some denitrifying bacteria
Weathering
Denudation
Relief
Mass wasting
Correct answer is B
Dendation involves breaking of the earth's surface hence levelling such surface through agents such as water, wind etc.
When the people of Israel saw the great work of the LORD in drowning the Egyptians, they
Built an altar to the LORD
Became afraid of Moses rod
Believed in Moses
Made a golden calf
Correct answer is C
No explanation has been provided for this answer.
Error of compass
Traverse error
Error of closure
Field error
Correct answer is C
Error of closure is the failure of the end point of a closed traverse to fall exactly on the point of origin of the transverse.
This error can only be known when the field details are plotted