41- Water is necessary for
(A) Agriculture
(B) Industries
(C) Both A and B
(D) None of the above
42- With the increase in population demand for water will…………….
(A) Decrease
(B) Increase
(C) No Change
(D) None of the above
43- What is the main source to generate electricity?
(A) Electricity
(B) Power
(C) Water
(D) None of the above
Answers:-
41-(C), 42-(B), 43-(C)