One of the problems of soil management in a humid areas is?
leaching of minerals
waterlogging
lack of oxygen in the soil
alkalinity
Correct answer is A
No explanation has been provided for this answer.
The main source of tropical hardwood for timber is the?
montane forest
mangroove forest
rainforest
coniferous forest
Correct answer is C
No explanation has been provided for this answer.
The tropical Rainforest differs in structure from the Savannah in that?
both never occur in the same continent
the savannah is a natural vegetation while the Rainforest is a derived one
the Savannah grows in layers while the Rainforet does not
the Savannah has less species diversity than the Rainforest
Correct answer is D
No explanation has been provided for this answer.
Which of the following cloud types is commonly associated with contiuous precipitation?
Cumulus
Stratus
Stratocumulus
Nimbostratus
Correct answer is D
No explanation has been provided for this answer.
One of the consequences of the global increase in the carbon dioxide content of the atmosphere is?
decreasing temperature
the destruction of the ozone layer
increasing air pressure
reduced visibility
Correct answer is B
No explanation has been provided for this answer.