The main industry associated with the Ruhr Valley region ...
The main industry associated with the Ruhr Valley region is?
iron and steel
oil refining
food manfacturing
ship building
Correct answer is A
No explanation has been provided for this answer.
Squatter settlements are indicative of? ...
The problems associated with the world's high population growth rate include all the following e...
Vegetation resources can be utilized by man for all the following except ...
The common exotic tree species planted in the northern savannah are? ...
Rapid population growth is mainly the natural consequence of? ...
The weight of water vapour contained in a given volume of air is referred to as? ...
The main industry associated with the Ruhr Valley region is? ...