The answer is Portugal. The Eastern Europen countries that lie in the Balkan peninsula are Balkan states. Portugal is located in the West of Europe. Balkan countries are located in the southeastern of Europe; composed of 12 countries. These states are close to the Black Sea. The Northern boundary of the peninsula varies (hence also the number of states considered Balkan) especially influenced by historical and political connotations. This is why Turkey is also considered Balkan country.
Water pollution is the contamination of water bodies (e.g. lakes, rivers, oceans, aquifers and groundwater). This form of environmental degradation occurs when pollutants are directly or indirectly discharged into water bodies without adequate treatment to remove harmful compounds.
Water pollution affects the entire biosphere – plants and organisms living in these bodies of water. In almost all cases the effect is damaging not only to individual species and population, but also to the natural biological communities.
The Inca empire was based in Peru. Note that the empire spread in more countries then just the seat of the empire, like Ecuador, Bolivia, Colombia, Chile and Argentina.
A. the plate tectonic theory is the right answer