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Unformatted text preview: (larger rings indicate El nino) 18.Evolution 19.Beak size 20.Global warming 1. Once or twice 2. Pacific 3. Slacken or reverse direction Students my have difficulty finding these answers 1. Once or twice 18. Evolution For more lessons, visit www.chalkbored.com...
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- Fall '10
- Global Warming, Tropical cyclone, El Niño-Southern Oscillation, 2. Pacific