The most efficient means of transporting crude petroleum ...
The most efficient means of transporting crude petroleum over extensive land masses is by?
water
road
rail
pipe
Correct answer is D
No explanation has been provided for this answer.
The gradient along the main river between the points marked X and Y is approximately ...
The world's principal fishing regions are located on continental shelves where? ...
Which of the following economic activities makes use of land and sea breeze? ...
A nucleated settlement differs from a dispersed settlement in that it? ...
Shifting cultivation in agriculture involves? ...
The proportion of the earth's surface occupied by oceans is approximately? ...