Hydroelectric power plants at dam supplies about _________ of world‚Äö√Ñ√∂‚àö√ë‚àö¬•s electricity.$

Hydroelectric power plants at dam supplies about _________ of world‚

1.	Hydroelectric power plants at dam supplies about _________ of world‚Äö√Ñ√∂‚àö√ë‚àö¬•s electricity.$
A.	19%
B.	25%
C.	42%
D.	50%
Answer» B. 25%