Explain how would decrease in the volume of river affect the following? a. generation of hydroelectricity

He want to contact the red cross/red crescent because they are the main non profit organization that deals with disasters around the world 

Historians are researchers of the past or people who understand the history of people. with this field, they must possess qualities such as being unbiased, patient, efficient reader, has a knack for logic and critical thinking and reasoning, disciplined, open-minded, resourceful, with good analytical ability, good reasoning skills and problem solving!