Cyanides are dangerous pollutants destroying the life in waters.
They were the best places to start civilazation
Cyanide
Yes, there are a huge amount of rivers in Europe.
Cyanide
there are 31 main rivers in the continent of europe
chlorine not the answer
YES
the rivers make it difficult to travel across europe
The Daube, the Rhine, and the Loire are very important rivers in Europe.
There are many rivers that run through Europe. These include the Danube, Volga, Ural, Oka, and the Kama. These are some of the longest rivers throughout Europe.
Yes, it is. It takes time for it to kill.