I,III and IV
I,II,III and IV
I,II and IV
II,III and IV
Correct answer is A
No explanation has been provided for this answer.
All the following farming practices result in soil erosion except
ploughing of land up and down slope
persistant cultivation of crops in regions of inadequate rainfall
over-cropping
mixed cropping
Correct answer is D
No explanation has been provided for this answer.
The most important action in the A horizon of a soil profile is
eluvation
deposition
weathering
illuviation
Correct answer is A
No explanation has been provided for this answer.
A continental shelf is economically important because it
is a good fishing ground
is good for irrigation
is very deep
constains little salt
Correct answer is A
No explanation has been provided for this answer.
Coastlines washed by cold currents normally have
high temperature
scanty rainfall
excessive rainfall
moderate rainfall
Correct answer is B
No explanation has been provided for this answer.