The answer is a 
hope this helps
        
                    
             
        
        
        
Answer:
Because of its rivers and topography containing Big rivers with hydroelectric potential
Explanation:
Summed up Hydroelectric power is obtained by the water flow moving turbines that generate electric power. This water is obtained from rivers with a high flow generally near mountainous regions, this kind of rivers is all over Europe because of its topography, the Alps and the Ural mountains are home of many hydroelectric plants taking advantage of the rivers flowing down. For example in Austria, the Danube River is used for obtaining Hydroelectric power. 
Although the Hydroelectric plants are smaller compared to Asian or Canadian plants, hydroelectric power is still one of the main sources of energy for central Europe, countries like Spain, France, Netherlands, Sweden, Austria take advantage of their mountains and rivers running down them for building the hydroelectric plants.
 
        
                    
             
        
        
        
Answer:
The purpose of the lines continues to elude researchers and remains a matter of conjecture. Ancient Nazca culture was prehistoric, which means they left no written records. One idea is that they are linked to the heavens with some of the lines representing constellations in the night sky.
Explanation:
 
        
             
        
        
        
The answer is b! 
The answer is b because flowers are the lightest and are transported to produce more flowers.