The area of the Balkan countries is frequently plagued by ethnic conflict that generates tension among the nations. This tension has given away to several small conflicts and the trend continued. The location of the Balkans is strategically very important. I hope the answer helps you.
Well it's the core, like a core of an apple. The center part.
This scarcity may be due to bad quality of water. Lately, there has been a growing concern that even if there is ample water to meet the needs of people, much of it may be polluted by domestic and industrial wastes, chemicals,pesticides and fertilisers used in agriculture making it hazardous for human use.
The amount of energy extracted from the wind, oils as in fish oils(renewable) but will be depelted.
A chemical property of a mineral is evident if the mineral B, bubbles when acid is placed on it.
Hope his helped!