The chemical weathering that is responsible for changing haematite to limestone is
Hydration
Solution
Oxidation
Hydrolysis
Correct answer is A
No explanation has been provided for this answer.
The most active agent of physical weathering of rocks in arid regions is
Ice
Water
Wind
Animals
Correct answer is C
No explanation has been provided for this answer.
The physical factor affecting crop production is
Man
Temperature
Micro-organisms
Vegetation
Correct answer is B
No explanation has been provided for this answer.
In crop plants, high temperatures may cause
Premature dropping of fruits
Delayed ripening of fruits
Formation of woody stems
Prolonged drying of seeds
Correct answer is A
No explanation has been provided for this answer.
Poaching is prohibited in dame reserves in order to
Preserve wildlife
Starve hunters
Reduce wildlife population
Protect hunters from wild animals
Correct answer is A
No explanation has been provided for this answer.