Rivers and streams are biodiverse ecosystems that are sensitive to change.

Yes, this statement is correct!

For example, some rivers no longer support life (fishes, etc) except close to their sources due to the high pollution that they suffer because many pipes with waste are directed to the rivers. (one example of a very polluted river is the Ganges river in India).

The war began as a fight between mayans and the landowners of the country. the main causes of the guatemalan civil war was started by the greed of the united fruit company, the fear of communism, and the racism toward the  mayan  people.

Answer( solar wind );