51. Which US state is home to the Hoover Dam, one of the most famous hydroelectric projects in the world?
A) California
B) Nevada
C) Arizona
D) Utah
52. The Keban Dam, the largest dam in Turkey, harnesses the water of which river?
A) Tigris
B) Euphrates
C) Nile
D) Danube
53. The Srisailam Dam, located in India, harnesses the water of which river?
A) Godavari
B) Krishna
C) Narmada
D) Cauvery
54. Which African country is home to the Kariba Dam, one of the largest hydroelectric power stations in the world?
A) Zambia
B) Zimbabwe
C) Kenya
D) Tanzania
55. Which Canadian province is home to the Churchill Falls Generating Station, one of the largest hydroelectric power stations in the world?
A) Quebec
B) Ontario
C) Alberta
D) British Columbia