Shifting cultivation in agriculture involves?
intensive cultivation in a highly populated region
cultivating alternative plots to allow natural regeneration
cultivating food crops on subsistence basis
cultivating cash crops principally for export
Correct answer is B
No explanation has been provided for this answer.
A mineral that is essential in cement production is?
talc
coal
gypsum
quartzite
Correct answer is A
No explanation has been provided for this answer.
The main mineral composition of lateritic soils are?
sodium and nickel
magnesium and zinc
potassium and calcium
iron and aluminium
Correct answer is D
No explanation has been provided for this answer.
One distinguishing characteristics of ferruginous soils is the?
occurence of iron concreation in the B horizon
predominance of clay in the A horizon
well-developed A and B horizons
high content of organic matter in all the horizons
Correct answer is A
No explanation has been provided for this answer.
If the temperature of a place is 68°F, what is its equivalent in degree centigrade?
08°C
48°C
36°C
20°C
Correct answer is D
No explanation has been provided for this answer.