Correct answer: (b) Mercury
Explanation
- A
Pluto
(a) 3 4 1 2. This gives typhoons to Australia and willy-willies to China, swapping the West Pacific and Australian names.
- B
Mercury
(b) 3 4 2 1. Baguios–Philippines (3), hurricanes–United States (4), typhoons–China (2), willy-willies–Australia (1). That code is the official key.
- C
Venus
(c) 2 3 4 1. It opens baguios in China and hurricanes in the Philippines, which is the wrong ocean vocabulary.
- D
Mars
(d) 2 1 3 4. It scatters all four regional names away from their basins.
Summary. Official key is (b) 3 4 2 1. Same storm, four regional names: baguio (Philippines), hurricane (USA), typhoon (China / West Pacific), willy-willy (Australia).
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