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> What are the winds like in an El Niño?
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> How does the sea height change with El Niño?
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> What are the climatic effects of an El Niño?
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> What are the local effects of an El Niño?
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> How does the sea surface height change in an El Niño?
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> How do spacecraft measure the wave heights?
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Fresh water is a precious resource
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> Where is the water on earth?
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> Who has access to water?
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> Isn't ground water renewable?
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> Where does it rain?
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