32. The word “desalination” in the passage is closest in meaning to: (A) cooling (B) purifying (C) softening (D) dissolving

33. What does the passage suggest about transportation advancements and their effect on the environment? (A) New transportation systems have unexpectedly worsened environmental damage. (B) Personal air vehicles have made travel so efficient that more people now live in distant areas. (C) Moving away from fossil fuels has played a key role in reducing environmental harm. (D) Governments have imposed limits on high-speed trains due to environmental risks.

32. The word “desalination” in the passage is closest in meaning to:
(A) cooling
(B) purifying
(C) softening
(D) dissolving

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