The greatest threat to wildlife in the African savannah in recent times is?
mechanized agriculture
cattle grazing
shiffting cultivation
bush burning
hunting
Correct answer is D
No explanation has been provided for this answer.
One of the ways in which the deciduous forest differs from the coniferous forest is that?
it has a greater variety of tree species
it is found only in the tropics
it grows on poorer soils
the trees are evergreen
it has a sparser undergrowth
Correct answer is D
No explanation has been provided for this answer.
A line joining points equal atmospheric pressure on a map is called an?
isopach
isopleth
isobar
isohyet
isotherm
Correct answer is C
No explanation has been provided for this answer.
Which of the following soil properties can be easily observed in the field?
Permeability
Fertility
Texture
Acidity
Colour
Correct answer is C
No explanation has been provided for this answer.
The load carried by a river is deposited?
when rejuvenation takes place
on the river's entry into a wetter region
when captured by another river
on entering a large body of water
when the gradient increases
Correct answer is D
No explanation has been provided for this answer.