The biosphere contains all the following except
man
rocks
animals
micro-organisms
Correct answer is B
No explanation has been provided for this answer.
Which of the following sea routes carries the heaviest traffic?
the size canal route
the north Atlantic sea route
the capre route
the panama canal route
Correct answer is B
No explanation has been provided for this answer.
Which of the following is not a method by which rivers transport their eroded materials?
suspension
traction
attrition
solution
Correct answer is C
No explanation has been provided for this answer.
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.