The Sudan savannah vegetation is associated with the?
tropical monsoon
sub-tropical dry summer climate
hot semi-desert
tropical dry and wet climate
Correct answer is D
No explanation has been provided for this answer.
Soil conservation is achieved through?
mulching, terrace farming and tree-felling
sensible tillage, tree-felling and bush burning
scientific farming, crop rotation and bush buring
sensible tillage, crop rotation and mulching
Correct answer is D
No explanation has been provided for this answer.
The two primary causes of ocean currents are?
differential algae development and sunlight penetration
differential salinity and temperature variation
variation in evaporation and coral development
location of settlements and sea-level pressure
Correct answer is B
No explanation has been provided for this answer.
Soil texture is determined primarily by?
profile horizons
major components
particle sizes
nutrient status
Correct answer is C
No explanation has been provided for this answer.
A piece of evidence that confirms that the earth is spherical is the?
standard time
solar system
earth's orbit
moon's eclipse
Correct answer is D
No explanation has been provided for this answer.