42. Which of the following is TRUE about water used for growing crops?
(A) About 70% of the Earth’s water is used to grow crops.
(B) About 60% of the fresh water used for crops comes from underground.
(C) About 42% of all fresh water is wasted in the process of growing crops.
(D) It takes about 1000 liters of fresh water to grow every ton of wheat.
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統計: A(122), B(15), C(97), D(65), E(0) #2030915
統計: A(122), B(15), C(97), D(65), E(0) #2030915