Use a double bar chart to compare the number of tropical cyclones in different locations.
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Students observe monthly images of changing vegetation patterns, looking for seasonal changes occurring throughout 2017.
Students observe seasonal images of Monthly Normalized Difference Vegetation, looking for any changes in vegetation that are occurring throughout the year.
Students graph sea ice extent (area) in both polar regions (Arctic and Antarctic) over a three-year period to learn about seasonal variations and over a 30-year period to learn about longer-term trends.