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Questions for Discussion: 20-Year Map of Global Rainfall

What do the colors in this video represent?
Pick a time period, for example, two years, and view that part of the video again, observing the areas of greatest rainfall. Where and when do they occur? Do you see a pattern? Now look at another year or two. Is the pattern the same?
Why do you think there is more rainfall in some parts of the world than others?
Would you expect to see a relationship between the annual rainfall and the distribution of living things? Explain, giving specific examples.