Air | 3 | |
Weather | 3 | |
Ocean / Sea | 2 | |
Surface Waters / Wetlands | 2 | |
Atmosphere | 1 | |
Birds | 1 | |
Fish | 1 | |
Land | 1 | |
Microbes | 1 | |
Reptiles | 1 |
Human Health | 2 | |
Agriculture | 1 | |
Buildings | 1 | |
Sanitation | 1 | |
Transportation | 1 |
1 | 2 |
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1 | 1 | 1 |
|
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|
SUMMER | 2 | |
WINTER | 1 |
United States | 2 | |
Nauru | 1 |