Surface Waters / Wetlands | 12 | |
Weather | 12 | |
Land | 2 | |
Ocean / Sea | 1 | |
Plants / Kelp | 1 |
2 | 18 |
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1 | 4 | 4 | 1 | 4 | 4 | 1 | 1 |
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SUMMER | 7 | |
SPRING | 4 | |
WINTER | 2 | |
FALL | 1 |
United States | 10 | |
Russia | 5 | |
South Korea | 2 | |
Afghanistan | 1 | |
Brazil | 1 |