Loss of farmland can be contributed to all the following except?
sedimentation
leaching
desertification
sheet erosion
over-grazing
Correct answer is A
No explanation has been provided for this answer.
Which of the following combinations can be regarded as sub-systems within the ecosystem?
food chain, hydrological cycle, mineral nutrient cycle
hydrogical cycle, mineral nutrient cycle, evironmental controls
Mineral nutrient cycle, hygrological cycle, ecosystem controls
Ecosystem controls, food chain, hydrological cycle
Food chain, ecosystem controls, environmental controls
Correct answer is A
No explanation has been provided for this answer.
Maize
Cotton
Rice
Cocoa
Millet
Correct answer is D
No explanation has been provided for this answer.
the vegetation is luxuriant
there is abundant supply of sunshine and rainfall which leach the soil
the soil nutrient is continously being replenished y the decay of the dense undergrowth and fallen leaves
there is absence of plant cover
the soil is well-drained
Correct answer is C
No explanation has been provided for this answer.
tropical rainforest
temperate woodland
coniferous forest
temperate grassland
deciduous forest
Correct answer is C
No explanation has been provided for this answer.