The Ruhr coalfield is located in?
...The Ruhr coalfield is located in?
Russia
Germany
The U.S.A
Canada
Correct answer is B
No explanation has been provided for this answer.
The smallest ocean in the world is the ...
Which of the following is not a biotic factor ...
The major environmental problem associated with Area marked Y is____________ ...
The most densely populated river delta in Africa is the ? ...
Where the salinity of an ocean is high; ...
The term watershed refers to the ...
Oil production has made much impact on the development of? ...
The two most important factors influencing the evolution of a climax vegetation are? ...