The thick, scarred barks of many savannah trees are the e...
The thick, scarred barks of many savannah trees are the effect of?
drought
grazing
pests
fire
Correct answer is A
No explanation has been provided for this answer.
The River marked R is the River ...
Chemical weathering takes place most effectively where it is ...
Which of the following factors least effects population concentration in the North-east of USA? ...
Temperature is to isotherms as air pressure is to ...
The environmental lapse rate is best described as ...
Lines joining places of equal sunshine duration on maps are known as ...
Which of these does NOT lie in the principal earthquake regions of the world? ...